Home / 266,086,674.40-399,092,686.80-84,352,223.20

Finding the Fourth Proportional to 266,086,674.40, 399,092,686.80 and 84,352,223.20

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Solution

The fourth proportional to 266,086,674.40, 399,092,686.80 and 84,352,223.20 is: 126,516,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,086,674.40 : 399,092,686.80 = 84,352,223.20 : x
  2. Step 2: Convert to fraction form
    266,086,674.40/399,092,686.80 = 84,352,223.20/x
  3. Step 3: Cross multiply
    266,086,674.40x = 399,092,686.80 × 84,352,223.20
  4. Step 4: Simplify right side
    266,086,674.40x = 33,664,355,394,441,296
  5. Step 5: Solve for x
    x = 33,664,355,394,441,296/266,086,674.40
  6. Step 6: Final answer
    x = 126,516,502.45

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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.