Home / 87,260,859,616.35-120,419,931,879.23-47,162,839,004.85

Finding the Fourth Proportional to 87,260,859,616.35, 120,419,931,879.23 and 47,162,839,004.85

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Solution

The fourth proportional to 87,260,859,616.35, 120,419,931,879.23 and 47,162,839,004.85 is: 65,084,688,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,260,859,616.35 : 120,419,931,879.23 = 47,162,839,004.85 : x
  2. Step 2: Convert to fraction form
    87,260,859,616.35/120,419,931,879.23 = 47,162,839,004.85/x
  3. Step 3: Cross multiply
    87,260,859,616.35x = 120,419,931,879.23 × 47,162,839,004.85
  4. Step 4: Simplify right side
    87,260,859,616.35x = 5,679,345,860,195,128,442,880
  5. Step 5: Solve for x
    x = 5,679,345,860,195,128,442,880/87,260,859,616.35
  6. Step 6: Final answer
    x = 65,084,688,429.21

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1.5x scale

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.