Home / 42,615,998.40-63,923,997.60-29,011,108.80

Finding the Fourth Proportional to 42,615,998.40, 63,923,997.60 and 29,011,108.80

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Solution

The fourth proportional to 42,615,998.40, 63,923,997.60 and 29,011,108.80 is: 43,516,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615,998.40 : 63,923,997.60 = 29,011,108.80 : x
  2. Step 2: Convert to fraction form
    42,615,998.40/63,923,997.60 = 29,011,108.80/x
  3. Step 3: Cross multiply
    42,615,998.40x = 63,923,997.60 × 29,011,108.80
  4. Step 4: Simplify right side
    42,615,998.40x = 1,854,506,049,304,539
  5. Step 5: Solve for x
    x = 1,854,506,049,304,539/42,615,998.40
  6. Step 6: Final answer
    x = 43,516,663.20

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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.