Home / 372,797,861.20-559,196,496.42-100,168,628.20

Finding the Fourth Proportional to 372,797,861.20, 559,196,496.42 and 100,168,628.20

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Solution

The fourth proportional to 372,797,861.20, 559,196,496.42 and 100,168,628.20 is: 150,252,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,797,861.20 : 559,196,496.42 = 100,168,628.20 : x
  2. Step 2: Convert to fraction form
    372,797,861.20/559,196,496.42 = 100,168,628.20/x
  3. Step 3: Cross multiply
    372,797,861.20x = 559,196,496.42 × 100,168,628.20
  4. Step 4: Simplify right side
    372,797,861.20x = 56,013,945,940,637,608
  5. Step 5: Solve for x
    x = 56,013,945,940,637,608/372,797,861.20
  6. Step 6: Final answer
    x = 150,252,862.93

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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.