Home / 140,631,630.78-194,053,246.22-81,095,125.88

Finding the Fourth Proportional to 140,631,630.78, 194,053,246.22 and 81,095,125.88

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Solution

The fourth proportional to 140,631,630.78, 194,053,246.22 and 81,095,125.88 is: 111,900,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,631,630.78 : 194,053,246.22 = 81,095,125.88 : x
  2. Step 2: Convert to fraction form
    140,631,630.78/194,053,246.22 = 81,095,125.88/x
  3. Step 3: Cross multiply
    140,631,630.78x = 194,053,246.22 × 81,095,125.88
  4. Step 4: Simplify right side
    140,631,630.78x = 15,736,772,428,257,792
  5. Step 5: Solve for x
    x = 15,736,772,428,257,792/140,631,630.78
  6. Step 6: Final answer
    x = 111,900,660.90

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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.