Home / 157,220,973.78-216,981,088.86-94,517,371.38

Finding the Fourth Proportional to 157,220,973.78, 216,981,088.86 and 94,517,371.38

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Solution

The fourth proportional to 157,220,973.78, 216,981,088.86 and 94,517,371.38 is: 130,443,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,220,973.78 : 216,981,088.86 = 94,517,371.38 : x
  2. Step 2: Convert to fraction form
    157,220,973.78/216,981,088.86 = 94,517,371.38/x
  3. Step 3: Cross multiply
    157,220,973.78x = 216,981,088.86 × 94,517,371.38
  4. Step 4: Simplify right side
    157,220,973.78x = 20,508,482,158,217,400
  5. Step 5: Solve for x
    x = 20,508,482,158,217,400/157,220,973.78
  6. Step 6: Final answer
    x = 130,443,678.51

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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.