Home / 90,827,948.97-136,146,247.56-45,294,084.09

Finding the Fourth Proportional to 90,827,948.97, 136,146,247.56 and 45,294,084.09

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Solution

The fourth proportional to 90,827,948.97, 136,146,247.56 and 45,294,084.09 is: 67,893,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827,948.97 : 136,146,247.56 = 45,294,084.09 : x
  2. Step 2: Convert to fraction form
    90,827,948.97/136,146,247.56 = 45,294,084.09/x
  3. Step 3: Cross multiply
    90,827,948.97x = 136,146,247.56 × 45,294,084.09
  4. Step 4: Simplify right side
    90,827,948.97x = 6,166,619,585,520,598
  5. Step 5: Solve for x
    x = 6,166,619,585,520,598/90,827,948.97
  6. Step 6: Final answer
    x = 67,893,414.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.