Home / 123,700,626.17-170,702,187.15-68,700,025.61

Finding the Fourth Proportional to 123,700,626.17, 170,702,187.15 and 68,700,025.61

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Solution

The fourth proportional to 123,700,626.17, 170,702,187.15 and 68,700,025.61 is: 94,803,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,626.17 : 170,702,187.15 = 68,700,025.61 : x
  2. Step 2: Convert to fraction form
    123,700,626.17/170,702,187.15 = 68,700,025.61/x
  3. Step 3: Cross multiply
    123,700,626.17x = 170,702,187.15 × 68,700,025.61
  4. Step 4: Simplify right side
    123,700,626.17x = 11,727,244,629,314,768
  5. Step 5: Solve for x
    x = 11,727,244,629,314,768/123,700,626.17
  6. Step 6: Final answer
    x = 94,803,437.88

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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.