Home / 157,221,146.12-216,981,326.34-94,517,543.97

Finding the Fourth Proportional to 157,221,146.12, 216,981,326.34 and 94,517,543.97

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Solution

The fourth proportional to 157,221,146.12, 216,981,326.34 and 94,517,543.97 is: 130,443,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,221,146.12 : 216,981,326.34 = 94,517,543.97 : x
  2. Step 2: Convert to fraction form
    157,221,146.12/216,981,326.34 = 94,517,543.97/x
  3. Step 3: Cross multiply
    157,221,146.12x = 216,981,326.34 × 94,517,543.97
  4. Step 4: Simplify right side
    157,221,146.12x = 20,508,542,053,009,868
  5. Step 5: Solve for x
    x = 20,508,542,053,009,868/157,221,146.12
  6. Step 6: Final answer
    x = 130,443,916.48

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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.