Home / 92,969,938.80-139,454,908.20-87,301,234.80

Finding the Fourth Proportional to 92,969,938.80, 139,454,908.20 and 87,301,234.80

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Solution

The fourth proportional to 92,969,938.80, 139,454,908.20 and 87,301,234.80 is: 130,951,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,969,938.80 : 139,454,908.20 = 87,301,234.80 : x
  2. Step 2: Convert to fraction form
    92,969,938.80/139,454,908.20 = 87,301,234.80/x
  3. Step 3: Cross multiply
    92,969,938.80x = 139,454,908.20 × 87,301,234.80
  4. Step 4: Simplify right side
    92,969,938.80x = 12,174,585,684,780,644
  5. Step 5: Solve for x
    x = 12,174,585,684,780,644/92,969,938.80
  6. Step 6: Final answer
    x = 130,951,852.20

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Double scale
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Similar ratio
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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.