Home / 112,309,563.10-154,995,217.17-62,072,700.97

Finding the Fourth Proportional to 112,309,563.10, 154,995,217.17 and 62,072,700.97

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Solution

The fourth proportional to 112,309,563.10, 154,995,217.17 and 62,072,700.97 is: 85,664,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,309,563.10 : 154,995,217.17 = 62,072,700.97 : x
  2. Step 2: Convert to fraction form
    112,309,563.10/154,995,217.17 = 62,072,700.97/x
  3. Step 3: Cross multiply
    112,309,563.10x = 154,995,217.17 × 62,072,700.97
  4. Step 4: Simplify right side
    112,309,563.10x = 9,620,971,766,786,130
  5. Step 5: Solve for x
    x = 9,620,971,766,786,130/112,309,563.10
  6. Step 6: Final answer
    x = 85,664,759.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.