Home / 42,607,233.40-63,868,859.70-21,024,167.80

Finding the Fourth Proportional to 42,607,233.40, 63,868,859.70 and 21,024,167.80

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Solution

The fourth proportional to 42,607,233.40, 63,868,859.70 and 21,024,167.80 is: 31,515,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607,233.40 : 63,868,859.70 = 21,024,167.80 : x
  2. Step 2: Convert to fraction form
    42,607,233.40/63,868,859.70 = 21,024,167.80/x
  3. Step 3: Cross multiply
    42,607,233.40x = 63,868,859.70 × 21,024,167.80
  4. Step 4: Simplify right side
    42,607,233.40x = 1,342,789,623,527,457.75
  5. Step 5: Solve for x
    x = 1,342,789,623,527,457.75/42,607,233.40
  6. Step 6: Final answer
    x = 31,515,531.90

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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.