Home / 143,856,498.30-215,784,747.45-52,961,279.10

Finding the Fourth Proportional to 143,856,498.30, 215,784,747.45 and 52,961,279.10

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Solution

The fourth proportional to 143,856,498.30, 215,784,747.45 and 52,961,279.10 is: 79,441,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,498.30 : 215,784,747.45 = 52,961,279.10 : x
  2. Step 2: Convert to fraction form
    143,856,498.30/215,784,747.45 = 52,961,279.10/x
  3. Step 3: Cross multiply
    143,856,498.30x = 215,784,747.45 × 52,961,279.10
  4. Step 4: Simplify right side
    143,856,498.30x = 11,428,236,235,222,462
  5. Step 5: Solve for x
    x = 11,428,236,235,222,462/143,856,498.30
  6. Step 6: Final answer
    x = 79,441,918.65

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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.