Home / 51,642,143.30-71,266,651.62-28,438,092.74

Finding the Fourth Proportional to 51,642,143.30, 71,266,651.62 and 28,438,092.74

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Solution

The fourth proportional to 51,642,143.30, 71,266,651.62 and 28,438,092.74 is: 39,244,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642,143.30 : 71,266,651.62 = 28,438,092.74 : x
  2. Step 2: Convert to fraction form
    51,642,143.30/71,266,651.62 = 28,438,092.74/x
  3. Step 3: Cross multiply
    51,642,143.30x = 71,266,651.62 × 28,438,092.74
  4. Step 4: Simplify right side
    51,642,143.30x = 2,026,687,648,038,831.25
  5. Step 5: Solve for x
    x = 2,026,687,648,038,831.25/51,642,143.30
  6. Step 6: Final answer
    x = 39,244,839.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.