Home / 372,107,046.12-558,117,979.56-99,499,070.76

Finding the Fourth Proportional to 372,107,046.12, 558,117,979.56 and 99,499,070.76

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Solution

The fourth proportional to 372,107,046.12, 558,117,979.56 and 99,499,070.76 is: 149,237,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,107,046.12 : 558,117,979.56 = 99,499,070.76 : x
  2. Step 2: Convert to fraction form
    372,107,046.12/558,117,979.56 = 99,499,070.76/x
  3. Step 3: Cross multiply
    372,107,046.12x = 558,117,979.56 × 99,499,070.76
  4. Step 4: Simplify right side
    372,107,046.12x = 55,532,220,340,668,672
  5. Step 5: Solve for x
    x = 55,532,220,340,668,672/372,107,046.12
  6. Step 6: Final answer
    x = 149,237,217.94

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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.