Home / 52,661,878.17-72,678,862.05-30,335,635.78

Finding the Fourth Proportional to 52,661,878.17, 72,678,862.05 and 30,335,635.78

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Solution

The fourth proportional to 52,661,878.17, 72,678,862.05 and 30,335,635.78 is: 41,866,328.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,661,878.17 : 72,678,862.05 = 30,335,635.78 : x
  2. Step 2: Convert to fraction form
    52,661,878.17/72,678,862.05 = 30,335,635.78/x
  3. Step 3: Cross multiply
    52,661,878.17x = 72,678,862.05 × 30,335,635.78
  4. Step 4: Simplify right side
    52,661,878.17x = 2,204,759,488,053,664.25
  5. Step 5: Solve for x
    x = 2,204,759,488,053,664.25/52,661,878.17
  6. Step 6: Final answer
    x = 41,866,328.45

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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.