Home / 157,807,681.07-217,781,325.45-88,193,059.89

Finding the Fourth Proportional to 157,807,681.07, 217,781,325.45 and 88,193,059.89

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Solution

The fourth proportional to 157,807,681.07, 217,781,325.45 and 88,193,059.89 is: 121,710,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,807,681.07 : 217,781,325.45 = 88,193,059.89 : x
  2. Step 2: Convert to fraction form
    157,807,681.07/217,781,325.45 = 88,193,059.89/x
  3. Step 3: Cross multiply
    157,807,681.07x = 217,781,325.45 × 88,193,059.89
  4. Step 4: Simplify right side
    157,807,681.07x = 19,206,801,478,335,432
  5. Step 5: Solve for x
    x = 19,206,801,478,335,432/157,807,681.07
  6. Step 6: Final answer
    x = 121,710,181.33

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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.