Home / 266,086,630.40-399,092,620.80-84,352,179.20

Finding the Fourth Proportional to 266,086,630.40, 399,092,620.80 and 84,352,179.20

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Solution

The fourth proportional to 266,086,630.40, 399,092,620.80 and 84,352,179.20 is: 126,516,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,086,630.40 : 399,092,620.80 = 84,352,179.20 : x
  2. Step 2: Convert to fraction form
    266,086,630.40/399,092,620.80 = 84,352,179.20/x
  3. Step 3: Cross multiply
    266,086,630.40x = 399,092,620.80 × 84,352,179.20
  4. Step 4: Simplify right side
    266,086,630.40x = 33,664,332,267,119,248
  5. Step 5: Solve for x
    x = 33,664,332,267,119,248/266,086,630.40
  6. Step 6: Final answer
    x = 126,516,436.46

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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.