Home / 91,155,372.71-125,794,420.49-49,902,265.08

Finding the Fourth Proportional to 91,155,372.71, 125,794,420.49 and 49,902,265.08

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Solution

The fourth proportional to 91,155,372.71, 125,794,420.49 and 49,902,265.08 is: 68,865,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,155,372.71 : 125,794,420.49 = 49,902,265.08 : x
  2. Step 2: Convert to fraction form
    91,155,372.71/125,794,420.49 = 49,902,265.08/x
  3. Step 3: Cross multiply
    91,155,372.71x = 125,794,420.49 × 49,902,265.08
  4. Step 4: Simplify right side
    91,155,372.71x = 6,277,426,516,627,452
  5. Step 5: Solve for x
    x = 6,277,426,516,627,452/91,155,372.71
  6. Step 6: Final answer
    x = 68,865,129.18

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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.