Home / 220,468,089.12-304,226,187.84-127,654,861.20

Finding the Fourth Proportional to 220,468,089.12, 304,226,187.84 and 127,654,861.20

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Solution

The fourth proportional to 220,468,089.12, 304,226,187.84 and 127,654,861.20 is: 176,152,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,468,089.12 : 304,226,187.84 = 127,654,861.20 : x
  2. Step 2: Convert to fraction form
    220,468,089.12/304,226,187.84 = 127,654,861.20/x
  3. Step 3: Cross multiply
    220,468,089.12x = 304,226,187.84 × 127,654,861.20
  4. Step 4: Simplify right side
    220,468,089.12x = 38,835,951,782,120,328
  5. Step 5: Solve for x
    x = 38,835,951,782,120,328/220,468,089.12
  6. Step 6: Final answer
    x = 176,152,258.30

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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.