Home / 115,893,507,808.40-173,840,261,712.60-80,629,633,965.20

Finding the Fourth Proportional to 115,893,507,808.40, 173,840,261,712.60 and 80,629,633,965.20

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Solution

The fourth proportional to 115,893,507,808.40, 173,840,261,712.60 and 80,629,633,965.20 is: 120,944,450,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,507,808.40 : 173,840,261,712.60 = 80,629,633,965.20 : x
  2. Step 2: Convert to fraction form
    115,893,507,808.40/173,840,261,712.60 = 80,629,633,965.20/x
  3. Step 3: Cross multiply
    115,893,507,808.40x = 173,840,261,712.60 × 80,629,633,965.20
  4. Step 4: Simplify right side
    115,893,507,808.40x = 14,016,676,670,301,511,090,176
  5. Step 5: Solve for x
    x = 14,016,676,670,301,511,090,176/115,893,507,808.40
  6. Step 6: Final answer
    x = 120,944,450,947.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.