Home / 372,472,385.04-558,361,172.88-126,661,043.52

Finding the Fourth Proportional to 372,472,385.04, 558,361,172.88 and 126,661,043.52

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Solution

The fourth proportional to 372,472,385.04, 558,361,172.88 and 126,661,043.52 is: 189,873,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,472,385.04 : 558,361,172.88 = 126,661,043.52 : x
  2. Step 2: Convert to fraction form
    372,472,385.04/558,361,172.88 = 126,661,043.52/x
  3. Step 3: Cross multiply
    372,472,385.04x = 558,361,172.88 × 126,661,043.52
  4. Step 4: Simplify right side
    372,472,385.04x = 70,722,608,818,031,920
  5. Step 5: Solve for x
    x = 70,722,608,818,031,920/372,472,385.04
  6. Step 6: Final answer
    x = 189,873,428.63

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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.