Home / 208,418,863.04-287,429,854.56-130,109,635.52

Finding the Fourth Proportional to 208,418,863.04, 287,429,854.56 and 130,109,635.52

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Solution

The fourth proportional to 208,418,863.04, 287,429,854.56 and 130,109,635.52 is: 179,433,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,418,863.04 : 287,429,854.56 = 130,109,635.52 : x
  2. Step 2: Convert to fraction form
    208,418,863.04/287,429,854.56 = 130,109,635.52/x
  3. Step 3: Cross multiply
    208,418,863.04x = 287,429,854.56 × 130,109,635.52
  4. Step 4: Simplify right side
    208,418,863.04x = 37,397,393,614,368,208
  5. Step 5: Solve for x
    x = 37,397,393,614,368,208/208,418,863.04
  6. Step 6: Final answer
    x = 179,433,824.12

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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.