Home / 105,816,649.46-158,745,414.83-40,232,687.90

Finding the Fourth Proportional to 105,816,649.46, 158,745,414.83 and 40,232,687.90

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Solution

The fourth proportional to 105,816,649.46, 158,745,414.83 and 40,232,687.90 is: 60,356,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,816,649.46 : 158,745,414.83 = 40,232,687.90 : x
  2. Step 2: Convert to fraction form
    105,816,649.46/158,745,414.83 = 40,232,687.90/x
  3. Step 3: Cross multiply
    105,816,649.46x = 158,745,414.83 × 40,232,687.90
  4. Step 4: Simplify right side
    105,816,649.46x = 6,386,754,729,416,531
  5. Step 5: Solve for x
    x = 6,386,754,729,416,531/105,816,649.46
  6. Step 6: Final answer
    x = 60,356,803.61

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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.