Home / 31,144,199.60-42,666,840.70-29,979,784.88

Finding the Fourth Proportional to 31,144,199.60, 42,666,840.70 and 29,979,784.88

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Solution

The fourth proportional to 31,144,199.60, 42,666,840.70 and 29,979,784.88 is: 41,071,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144,199.60 : 42,666,840.70 = 29,979,784.88 : x
  2. Step 2: Convert to fraction form
    31,144,199.60/42,666,840.70 = 29,979,784.88/x
  3. Step 3: Cross multiply
    31,144,199.60x = 42,666,840.70 × 29,979,784.88
  4. Step 4: Simplify right side
    31,144,199.60x = 1,279,142,705,695,228.75
  5. Step 5: Solve for x
    x = 1,279,142,705,695,228.75/31,144,199.60
  6. Step 6: Final answer
    x = 41,071,619.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.