Home / 91,761,811.40-137,642,717.10-52,966,618.40

Finding the Fourth Proportional to 91,761,811.40, 137,642,717.10 and 52,966,618.40

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Solution

The fourth proportional to 91,761,811.40, 137,642,717.10 and 52,966,618.40 is: 79,449,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761,811.40 : 137,642,717.10 = 52,966,618.40 : x
  2. Step 2: Convert to fraction form
    91,761,811.40/137,642,717.10 = 52,966,618.40/x
  3. Step 3: Cross multiply
    91,761,811.40x = 137,642,717.10 × 52,966,618.40
  4. Step 4: Simplify right side
    91,761,811.40x = 7,290,469,272,174,854
  5. Step 5: Solve for x
    x = 7,290,469,272,174,854/91,761,811.40
  6. Step 6: Final answer
    x = 79,449,927.60

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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.