Home / 351,427,901.96-527,380,005-144,203,776.16

Finding the Fourth Proportional to 351,427,901.96, 527,380,005 and 144,203,776.16

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Solution

The fourth proportional to 351,427,901.96, 527,380,005 and 144,203,776.16 is: 216,403,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,427,901.96 : 527,380,005 = 144,203,776.16 : x
  2. Step 2: Convert to fraction form
    351,427,901.96/527,380,005 = 144,203,776.16/x
  3. Step 3: Cross multiply
    351,427,901.96x = 527,380,005 × 144,203,776.16
  4. Step 4: Simplify right side
    351,427,901.96x = 76,050,188,192,279,680
  5. Step 5: Solve for x
    x = 76,050,188,192,279,680/351,427,901.96
  6. Step 6: Final answer
    x = 216,403,386.78

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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.