Home / 82,734,812.60-124,102,218.90-41,920,143.80

Finding the Fourth Proportional to 82,734,812.60, 124,102,218.90 and 41,920,143.80

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Solution

The fourth proportional to 82,734,812.60, 124,102,218.90 and 41,920,143.80 is: 62,880,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,734,812.60 : 124,102,218.90 = 41,920,143.80 : x
  2. Step 2: Convert to fraction form
    82,734,812.60/124,102,218.90 = 41,920,143.80/x
  3. Step 3: Cross multiply
    82,734,812.60x = 124,102,218.90 × 41,920,143.80
  4. Step 4: Simplify right side
    82,734,812.60x = 5,202,382,862,187,078
  5. Step 5: Solve for x
    x = 5,202,382,862,187,078/82,734,812.60
  6. Step 6: Final answer
    x = 62,880,215.70

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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.