Home / 157,882,962.72-217,867,427.94-91,798,772.58

Finding the Fourth Proportional to 157,882,962.72, 217,867,427.94 and 91,798,772.58

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Solution

The fourth proportional to 157,882,962.72, 217,867,427.94 and 91,798,772.58 is: 126,675,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882,962.72 : 217,867,427.94 = 91,798,772.58 : x
  2. Step 2: Convert to fraction form
    157,882,962.72/217,867,427.94 = 91,798,772.58/x
  3. Step 3: Cross multiply
    157,882,962.72x = 217,867,427.94 × 91,798,772.58
  4. Step 4: Simplify right side
    157,882,962.72x = 19,999,962,470,053,596
  5. Step 5: Solve for x
    x = 19,999,962,470,053,596/157,882,962.72
  6. Step 6: Final answer
    x = 126,675,875.13

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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.