Home / 207,269,008.20-310,761,794.70-98,146,456.20

Finding the Fourth Proportional to 207,269,008.20, 310,761,794.70 and 98,146,456.20

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Solution

The fourth proportional to 207,269,008.20, 310,761,794.70 and 98,146,456.20 is: 147,152,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,269,008.20 : 310,761,794.70 = 98,146,456.20 : x
  2. Step 2: Convert to fraction form
    207,269,008.20/310,761,794.70 = 98,146,456.20/x
  3. Step 3: Cross multiply
    207,269,008.20x = 310,761,794.70 × 98,146,456.20
  4. Step 4: Simplify right side
    207,269,008.20x = 30,500,168,872,156,940
  5. Step 5: Solve for x
    x = 30,500,168,872,156,940/207,269,008.20
  6. Step 6: Final answer
    x = 147,152,577.88

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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.