Home / 65,138,549.74-97,710,966.87-21,418,340.26

Finding the Fourth Proportional to 65,138,549.74, 97,710,966.87 and 21,418,340.26

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Solution

The fourth proportional to 65,138,549.74, 97,710,966.87 and 21,418,340.26 is: 32,128,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,138,549.74 : 97,710,966.87 = 21,418,340.26 : x
  2. Step 2: Convert to fraction form
    65,138,549.74/97,710,966.87 = 21,418,340.26/x
  3. Step 3: Cross multiply
    65,138,549.74x = 97,710,966.87 × 21,418,340.26
  4. Step 4: Simplify right side
    65,138,549.74x = 2,092,806,735,555,247.50
  5. Step 5: Solve for x
    x = 2,092,806,735,555,247.50/65,138,549.74
  6. Step 6: Final answer
    x = 32,128,543.60

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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.