Home / 67,157,430.10-100,736,145.15-21,723,817.30

Finding the Fourth Proportional to 67,157,430.10, 100,736,145.15 and 21,723,817.30

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Solution

The fourth proportional to 67,157,430.10, 100,736,145.15 and 21,723,817.30 is: 32,585,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,430.10 : 100,736,145.15 = 21,723,817.30 : x
  2. Step 2: Convert to fraction form
    67,157,430.10/100,736,145.15 = 21,723,817.30/x
  3. Step 3: Cross multiply
    67,157,430.10x = 100,736,145.15 × 21,723,817.30
  4. Step 4: Simplify right side
    67,157,430.10x = 2,188,373,612,744,881.25
  5. Step 5: Solve for x
    x = 2,188,373,612,744,881.25/67,157,430.10
  6. Step 6: Final answer
    x = 32,585,725.95

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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.