Home / 72,292,698.97-99,761,126.50-39,252,191.87

Finding the Fourth Proportional to 72,292,698.97, 99,761,126.50 and 39,252,191.87

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Solution

The fourth proportional to 72,292,698.97, 99,761,126.50 and 39,252,191.87 is: 54,166,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292,698.97 : 99,761,126.50 = 39,252,191.87 : x
  2. Step 2: Convert to fraction form
    72,292,698.97/99,761,126.50 = 39,252,191.87/x
  3. Step 3: Cross multiply
    72,292,698.97x = 99,761,126.50 × 39,252,191.87
  4. Step 4: Simplify right side
    72,292,698.97x = 3,915,842,878,696,614
  5. Step 5: Solve for x
    x = 3,915,842,878,696,614/72,292,698.97
  6. Step 6: Final answer
    x = 54,166,505.53

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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.