Home / 83,207,272.04-124,827,930.78-28,612,767.31

Finding the Fourth Proportional to 83,207,272.04, 124,827,930.78 and 28,612,767.31

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Solution

The fourth proportional to 83,207,272.04, 124,827,930.78 and 28,612,767.31 is: 42,925,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,207,272.04 : 124,827,930.78 = 28,612,767.31 : x
  2. Step 2: Convert to fraction form
    83,207,272.04/124,827,930.78 = 28,612,767.31/x
  3. Step 3: Cross multiply
    83,207,272.04x = 124,827,930.78 × 28,612,767.31
  4. Step 4: Simplify right side
    83,207,272.04x = 3,571,672,536,938,363
  5. Step 5: Solve for x
    x = 3,571,672,536,938,363/83,207,272.04
  6. Step 6: Final answer
    x = 42,925,004.62

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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.