Home / 90,234,998.92-135,336,498.65-41,039,329.11

Finding the Fourth Proportional to 90,234,998.92, 135,336,498.65 and 41,039,329.11

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Solution

The fourth proportional to 90,234,998.92, 135,336,498.65 and 41,039,329.11 is: 61,551,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,234,998.92 : 135,336,498.65 = 41,039,329.11 : x
  2. Step 2: Convert to fraction form
    90,234,998.92/135,336,498.65 = 41,039,329.11/x
  3. Step 3: Cross multiply
    90,234,998.92x = 135,336,498.65 × 41,039,329.11
  4. Step 4: Simplify right side
    90,234,998.92x = 5,554,119,108,692,421
  5. Step 5: Solve for x
    x = 5,554,119,108,692,421/90,234,998.92
  6. Step 6: Final answer
    x = 61,551,716.91

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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.