Home / 80,852,780.70-121,279,171.05-23,346,927.90

Finding the Fourth Proportional to 80,852,780.70, 121,279,171.05 and 23,346,927.90

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Solution

The fourth proportional to 80,852,780.70, 121,279,171.05 and 23,346,927.90 is: 35,020,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,780.70 : 121,279,171.05 = 23,346,927.90 : x
  2. Step 2: Convert to fraction form
    80,852,780.70/121,279,171.05 = 23,346,927.90/x
  3. Step 3: Cross multiply
    80,852,780.70x = 121,279,171.05 × 23,346,927.90
  4. Step 4: Simplify right side
    80,852,780.70x = 2,831,496,062,276,117
  5. Step 5: Solve for x
    x = 2,831,496,062,276,117/80,852,780.70
  6. Step 6: Final answer
    x = 35,020,391.85

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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.