Home / 266,468,139.40-399,702,209.10-201,898,057.90

Finding the Fourth Proportional to 266,468,139.40, 399,702,209.10 and 201,898,057.90

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Solution

The fourth proportional to 266,468,139.40, 399,702,209.10 and 201,898,057.90 is: 302,847,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,468,139.40 : 399,702,209.10 = 201,898,057.90 : x
  2. Step 2: Convert to fraction form
    266,468,139.40/399,702,209.10 = 201,898,057.90/x
  3. Step 3: Cross multiply
    266,468,139.40x = 399,702,209.10 × 201,898,057.90
  4. Step 4: Simplify right side
    266,468,139.40x = 80,699,099,755,629,712
  5. Step 5: Solve for x
    x = 80,699,099,755,629,712/266,468,139.40
  6. Step 6: Final answer
    x = 302,847,086.85

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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.