Home / 117,005,874.80-175,508,812.20-82,993,650.80

Finding the Fourth Proportional to 117,005,874.80, 175,508,812.20 and 82,993,650.80

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Solution

The fourth proportional to 117,005,874.80, 175,508,812.20 and 82,993,650.80 is: 124,490,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005,874.80 : 175,508,812.20 = 82,993,650.80 : x
  2. Step 2: Convert to fraction form
    117,005,874.80/175,508,812.20 = 82,993,650.80/x
  3. Step 3: Cross multiply
    117,005,874.80x = 175,508,812.20 × 82,993,650.80
  4. Step 4: Simplify right side
    117,005,874.80x = 14,566,117,072,049,578
  5. Step 5: Solve for x
    x = 14,566,117,072,049,578/117,005,874.80
  6. Step 6: Final answer
    x = 124,490,476.20

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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.