Home / 143,856,520.10-215,784,780.15-97,940,017.70

Finding the Fourth Proportional to 143,856,520.10, 215,784,780.15 and 97,940,017.70

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Solution

The fourth proportional to 143,856,520.10, 215,784,780.15 and 97,940,017.70 is: 146,910,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,520.10 : 215,784,780.15 = 97,940,017.70 : x
  2. Step 2: Convert to fraction form
    143,856,520.10/215,784,780.15 = 97,940,017.70/x
  3. Step 3: Cross multiply
    143,856,520.10x = 215,784,780.15 × 97,940,017.70
  4. Step 4: Simplify right side
    143,856,520.10x = 21,133,965,187,281,608
  5. Step 5: Solve for x
    x = 21,133,965,187,281,608/143,856,520.10
  6. Step 6: Final answer
    x = 146,910,026.55

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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.