Home / 52,479,143.78-72,424,551.21-29,274,223.46

Finding the Fourth Proportional to 52,479,143.78, 72,424,551.21 and 29,274,223.46

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Solution

The fourth proportional to 52,479,143.78, 72,424,551.21 and 29,274,223.46 is: 40,400,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479,143.78 : 72,424,551.21 = 29,274,223.46 : x
  2. Step 2: Convert to fraction form
    52,479,143.78/72,424,551.21 = 29,274,223.46/x
  3. Step 3: Cross multiply
    52,479,143.78x = 72,424,551.21 × 29,274,223.46
  4. Step 4: Simplify right side
    52,479,143.78x = 2,120,172,496,111,753.25
  5. Step 5: Solve for x
    x = 2,120,172,496,111,753.25/52,479,143.78
  6. Step 6: Final answer
    x = 40,400,287.49

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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.