Home / 76,841,382.92-106,041,949.79-42,034,073.71

Finding the Fourth Proportional to 76,841,382.92, 106,041,949.79 and 42,034,073.71

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Solution

The fourth proportional to 76,841,382.92, 106,041,949.79 and 42,034,073.71 is: 58,007,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841,382.92 : 106,041,949.79 = 42,034,073.71 : x
  2. Step 2: Convert to fraction form
    76,841,382.92/106,041,949.79 = 42,034,073.71/x
  3. Step 3: Cross multiply
    76,841,382.92x = 106,041,949.79 × 42,034,073.71
  4. Step 4: Simplify right side
    76,841,382.92x = 4,457,375,133,486,888
  5. Step 5: Solve for x
    x = 4,457,375,133,486,888/76,841,382.92
  6. Step 6: Final answer
    x = 58,007,481.96

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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.