Home / 80,332,604.64-110,912,380.92-61,714,586.16

Finding the Fourth Proportional to 80,332,604.64, 110,912,380.92 and 61,714,586.16

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Solution

The fourth proportional to 80,332,604.64, 110,912,380.92 and 61,714,586.16 is: 85,207,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,332,604.64 : 110,912,380.92 = 61,714,586.16 : x
  2. Step 2: Convert to fraction form
    80,332,604.64/110,912,380.92 = 61,714,586.16/x
  3. Step 3: Cross multiply
    80,332,604.64x = 110,912,380.92 × 61,714,586.16
  4. Step 4: Simplify right side
    80,332,604.64x = 6,844,911,688,498,080
  5. Step 5: Solve for x
    x = 6,844,911,688,498,080/80,332,604.64
  6. Step 6: Final answer
    x = 85,207,142.47

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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.