Home / 90,845,972.10-136,268,958.15-52,582,220.10

Finding the Fourth Proportional to 90,845,972.10, 136,268,958.15 and 52,582,220.10

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Solution

The fourth proportional to 90,845,972.10, 136,268,958.15 and 52,582,220.10 is: 78,873,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845,972.10 : 136,268,958.15 = 52,582,220.10 : x
  2. Step 2: Convert to fraction form
    90,845,972.10/136,268,958.15 = 52,582,220.10/x
  3. Step 3: Cross multiply
    90,845,972.10x = 136,268,958.15 × 52,582,220.10
  4. Step 4: Simplify right side
    90,845,972.10x = 7,165,324,350,240,989
  5. Step 5: Solve for x
    x = 7,165,324,350,240,989/90,845,972.10
  6. Step 6: Final answer
    x = 78,873,330.15

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Double scale
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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.