Home / 112,231,052.32-154,834,785.20-65,180,116.32

Finding the Fourth Proportional to 112,231,052.32, 154,834,785.20 and 65,180,116.32

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Solution

The fourth proportional to 112,231,052.32, 154,834,785.20 and 65,180,116.32 is: 89,922,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,231,052.32 : 154,834,785.20 = 65,180,116.32 : x
  2. Step 2: Convert to fraction form
    112,231,052.32/154,834,785.20 = 65,180,116.32/x
  3. Step 3: Cross multiply
    112,231,052.32x = 154,834,785.20 × 65,180,116.32
  4. Step 4: Simplify right side
    112,231,052.32x = 10,092,149,309,718,214
  5. Step 5: Solve for x
    x = 10,092,149,309,718,214/112,231,052.32
  6. Step 6: Final answer
    x = 89,922,967.85

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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.