Home / 90,502,279.60-135,753,419.40-29,918,005.60

Finding the Fourth Proportional to 90,502,279.60, 135,753,419.40 and 29,918,005.60

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Solution

The fourth proportional to 90,502,279.60, 135,753,419.40 and 29,918,005.60 is: 44,877,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,502,279.60 : 135,753,419.40 = 29,918,005.60 : x
  2. Step 2: Convert to fraction form
    90,502,279.60/135,753,419.40 = 29,918,005.60/x
  3. Step 3: Cross multiply
    90,502,279.60x = 135,753,419.40 × 29,918,005.60
  4. Step 4: Simplify right side
    90,502,279.60x = 4,061,471,561,828,349
  5. Step 5: Solve for x
    x = 4,061,471,561,828,349/90,502,279.60
  6. Step 6: Final answer
    x = 44,877,008.40

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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.