Home / 65,712,811.20-98,569,216.80-29,321,131.20

Finding the Fourth Proportional to 65,712,811.20, 98,569,216.80 and 29,321,131.20

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Solution

The fourth proportional to 65,712,811.20, 98,569,216.80 and 29,321,131.20 is: 43,981,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,712,811.20 : 98,569,216.80 = 29,321,131.20 : x
  2. Step 2: Convert to fraction form
    65,712,811.20/98,569,216.80 = 29,321,131.20/x
  3. Step 3: Cross multiply
    65,712,811.20x = 98,569,216.80 × 29,321,131.20
  4. Step 4: Simplify right side
    65,712,811.20x = 2,890,160,938,074,044
  5. Step 5: Solve for x
    x = 2,890,160,938,074,044/65,712,811.20
  6. Step 6: Final answer
    x = 43,981,696.80

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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.