Home / 115,893,507,655.40-173,840,261,483.10-80,629,633,812.20

Finding the Fourth Proportional to 115,893,507,655.40, 173,840,261,483.10 and 80,629,633,812.20

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Solution

The fourth proportional to 115,893,507,655.40, 173,840,261,483.10 and 80,629,633,812.20 is: 120,944,450,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,507,655.40 : 173,840,261,483.10 = 80,629,633,812.20 : x
  2. Step 2: Convert to fraction form
    115,893,507,655.40/173,840,261,483.10 = 80,629,633,812.20/x
  3. Step 3: Cross multiply
    115,893,507,655.40x = 173,840,261,483.10 × 80,629,633,812.20
  4. Step 4: Simplify right side
    115,893,507,655.40x = 14,016,676,625,199,449,243,648
  5. Step 5: Solve for x
    x = 14,016,676,625,199,449,243,648/115,893,507,655.40
  6. Step 6: Final answer
    x = 120,944,450,718.30

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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.