Home / 262,626,856.48-393,948,310.20-90,101,249.92

Finding the Fourth Proportional to 262,626,856.48, 393,948,310.20 and 90,101,249.92

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Solution

The fourth proportional to 262,626,856.48, 393,948,310.20 and 90,101,249.92 is: 135,154,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,626,856.48 : 393,948,310.20 = 90,101,249.92 : x
  2. Step 2: Convert to fraction form
    262,626,856.48/393,948,310.20 = 90,101,249.92/x
  3. Step 3: Cross multiply
    262,626,856.48x = 393,948,310.20 × 90,101,249.92
  4. Step 4: Simplify right side
    262,626,856.48x = 35,495,235,152,891,884
  5. Step 5: Solve for x
    x = 35,495,235,152,891,884/262,626,856.48
  6. Step 6: Final answer
    x = 135,154,628.24

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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.