Home / 67,157,614.10-100,736,421.15-21,724,001.30

Finding the Fourth Proportional to 67,157,614.10, 100,736,421.15 and 21,724,001.30

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Solution

The fourth proportional to 67,157,614.10, 100,736,421.15 and 21,724,001.30 is: 32,586,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,614.10 : 100,736,421.15 = 21,724,001.30 : x
  2. Step 2: Convert to fraction form
    67,157,614.10/100,736,421.15 = 21,724,001.30/x
  3. Step 3: Cross multiply
    67,157,614.10x = 100,736,421.15 × 21,724,001.30
  4. Step 4: Simplify right side
    67,157,614.10x = 2,188,398,144,019,947.75
  5. Step 5: Solve for x
    x = 2,188,398,144,019,947.75/67,157,614.10
  6. Step 6: Final answer
    x = 32,586,001.95

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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.