Home / 142,390,822.71-213,594,455.88-54,952,793.43

Finding the Fourth Proportional to 142,390,822.71, 213,594,455.88 and 54,952,793.43

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Solution

The fourth proportional to 142,390,822.71, 213,594,455.88 and 54,952,793.43 is: 82,432,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,390,822.71 : 213,594,455.88 = 54,952,793.43 : x
  2. Step 2: Convert to fraction form
    142,390,822.71/213,594,455.88 = 54,952,793.43/x
  3. Step 3: Cross multiply
    142,390,822.71x = 213,594,455.88 × 54,952,793.43
  4. Step 4: Simplify right side
    142,390,822.71x = 11,737,612,011,766,888
  5. Step 5: Solve for x
    x = 11,737,612,011,766,888/142,390,822.71
  6. Step 6: Final answer
    x = 82,432,363.18

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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.