Home / 72,594,047.40-100,179,799.82-39,554,296.53

Finding the Fourth Proportional to 72,594,047.40, 100,179,799.82 and 39,554,296.53

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Solution

The fourth proportional to 72,594,047.40, 100,179,799.82 and 39,554,296.53 is: 54,584,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,594,047.40 : 100,179,799.82 = 39,554,296.53 : x
  2. Step 2: Convert to fraction form
    72,594,047.40/100,179,799.82 = 39,554,296.53/x
  3. Step 3: Cross multiply
    72,594,047.40x = 100,179,799.82 × 39,554,296.53
  4. Step 4: Simplify right side
    72,594,047.40x = 3,962,541,508,198,549
  5. Step 5: Solve for x
    x = 3,962,541,508,198,549/72,594,047.40
  6. Step 6: Final answer
    x = 54,584,937.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.