Home / 90,626,951.10-135,621,562.05-82,974,200.70

Finding the Fourth Proportional to 90,626,951.10, 135,621,562.05 and 82,974,200.70

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Solution

The fourth proportional to 90,626,951.10, 135,621,562.05 and 82,974,200.70 is: 124,169,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,626,951.10 : 135,621,562.05 = 82,974,200.70 : x
  2. Step 2: Convert to fraction form
    90,626,951.10/135,621,562.05 = 82,974,200.70/x
  3. Step 3: Cross multiply
    90,626,951.10x = 135,621,562.05 × 82,974,200.70
  4. Step 4: Simplify right side
    90,626,951.10x = 11,253,090,708,784,204
  5. Step 5: Solve for x
    x = 11,253,090,708,784,204/90,626,951.10
  6. Step 6: Final answer
    x = 124,169,362.12

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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.