Home / 42,111,001.70-63,166,502.55-22,979,125.70

Finding the Fourth Proportional to 42,111,001.70, 63,166,502.55 and 22,979,125.70

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Solution

The fourth proportional to 42,111,001.70, 63,166,502.55 and 22,979,125.70 is: 34,468,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,111,001.70 : 63,166,502.55 = 22,979,125.70 : x
  2. Step 2: Convert to fraction form
    42,111,001.70/63,166,502.55 = 22,979,125.70/x
  3. Step 3: Cross multiply
    42,111,001.70x = 63,166,502.55 × 22,979,125.70
  4. Step 4: Simplify right side
    42,111,001.70x = 1,451,511,002,125,820.50
  5. Step 5: Solve for x
    x = 1,451,511,002,125,820.50/42,111,001.70
  6. Step 6: Final answer
    x = 34,468,688.55

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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.