Home / 143,827,138.44-215,894,234.52-61,986,404.88

Finding the Fourth Proportional to 143,827,138.44, 215,894,234.52 and 61,986,404.88

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Solution

The fourth proportional to 143,827,138.44, 215,894,234.52 and 61,986,404.88 is: 93,045,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827,138.44 : 215,894,234.52 = 61,986,404.88 : x
  2. Step 2: Convert to fraction form
    143,827,138.44/215,894,234.52 = 61,986,404.88/x
  3. Step 3: Cross multiply
    143,827,138.44x = 215,894,234.52 × 61,986,404.88
  4. Step 4: Simplify right side
    143,827,138.44x = 13,382,507,432,214,394
  5. Step 5: Solve for x
    x = 13,382,507,432,214,394/143,827,138.44
  6. Step 6: Final answer
    x = 93,045,774.10

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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.