Home / 157,367,812-217,167,580.64-92,177,716

Finding the Fourth Proportional to 157,367,812, 217,167,580.64 and 92,177,716

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Solution

The fourth proportional to 157,367,812, 217,167,580.64 and 92,177,716 is: 127,205,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,367,812 : 217,167,580.64 = 92,177,716 : x
  2. Step 2: Convert to fraction form
    157,367,812/217,167,580.64 = 92,177,716/x
  3. Step 3: Cross multiply
    157,367,812x = 217,167,580.64 × 92,177,716
  4. Step 4: Simplify right side
    157,367,812x = 20,018,011,572,641,016
  5. Step 5: Solve for x
    x = 20,018,011,572,641,016/157,367,812
  6. Step 6: Final answer
    x = 127,205,248.13

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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.