Home / 143,827,123.94-215,894,213.18-61,986,390.92

Finding the Fourth Proportional to 143,827,123.94, 215,894,213.18 and 61,986,390.92

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Solution

The fourth proportional to 143,827,123.94, 215,894,213.18 and 61,986,390.92 is: 93,045,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827,123.94 : 215,894,213.18 = 61,986,390.92 : x
  2. Step 2: Convert to fraction form
    143,827,123.94/215,894,213.18 = 61,986,390.92/x
  3. Step 3: Cross multiply
    143,827,123.94x = 215,894,213.18 × 61,986,390.92
  4. Step 4: Simplify right side
    143,827,123.94x = 13,382,503,095,231,366
  5. Step 5: Solve for x
    x = 13,382,503,095,231,366/143,827,123.94
  6. Step 6: Final answer
    x = 93,045,753.32

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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.