Home / 143,418,468.90-215,231,333.13-57,107,133.66

Finding the Fourth Proportional to 143,418,468.90, 215,231,333.13 and 57,107,133.66

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Solution

The fourth proportional to 143,418,468.90, 215,231,333.13 and 57,107,133.66 is: 85,701,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,418,468.90 : 215,231,333.13 = 57,107,133.66 : x
  2. Step 2: Convert to fraction form
    143,418,468.90/215,231,333.13 = 57,107,133.66/x
  3. Step 3: Cross multiply
    143,418,468.90x = 215,231,333.13 × 57,107,133.66
  4. Step 4: Simplify right side
    143,418,468.90x = 12,291,244,508,874,896
  5. Step 5: Solve for x
    x = 12,291,244,508,874,896/143,418,468.90
  6. Step 6: Final answer
    x = 85,701,964.35

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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.