Home / 266,320,266.75-399,480,400.13-74,844,042.75

Finding the Fourth Proportional to 266,320,266.75, 399,480,400.13 and 74,844,042.75

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Solution

The fourth proportional to 266,320,266.75, 399,480,400.13 and 74,844,042.75 is: 112,266,064.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,320,266.75 : 399,480,400.13 = 74,844,042.75 : x
  2. Step 2: Convert to fraction form
    266,320,266.75/399,480,400.13 = 74,844,042.75/x
  3. Step 3: Cross multiply
    266,320,266.75x = 399,480,400.13 × 74,844,042.75
  4. Step 4: Simplify right side
    266,320,266.75x = 29,898,728,144,742,604
  5. Step 5: Solve for x
    x = 29,898,728,144,742,604/266,320,266.75
  6. Step 6: Final answer
    x = 112,266,064.13

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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.