Home / 82,901,424.60-124,352,136.90-65,582,717.40

Finding the Fourth Proportional to 82,901,424.60, 124,352,136.90 and 65,582,717.40

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Solution

The fourth proportional to 82,901,424.60, 124,352,136.90 and 65,582,717.40 is: 98,374,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,901,424.60 : 124,352,136.90 = 65,582,717.40 : x
  2. Step 2: Convert to fraction form
    82,901,424.60/124,352,136.90 = 65,582,717.40/x
  3. Step 3: Cross multiply
    82,901,424.60x = 124,352,136.90 × 65,582,717.40
  4. Step 4: Simplify right side
    82,901,424.60x = 8,155,351,052,398,812
  5. Step 5: Solve for x
    x = 8,155,351,052,398,812/82,901,424.60
  6. Step 6: Final answer
    x = 98,374,076.10

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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.