Home / 80,852,856.70-121,279,285.05-23,347,003.90

Finding the Fourth Proportional to 80,852,856.70, 121,279,285.05 and 23,347,003.90

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Solution

The fourth proportional to 80,852,856.70, 121,279,285.05 and 23,347,003.90 is: 35,020,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852,856.70 : 121,279,285.05 = 23,347,003.90 : x
  2. Step 2: Convert to fraction form
    80,852,856.70/121,279,285.05 = 23,347,003.90/x
  3. Step 3: Cross multiply
    80,852,856.70x = 121,279,285.05 × 23,347,003.90
  4. Step 4: Simplify right side
    80,852,856.70x = 2,831,507,941,051,561.50
  5. Step 5: Solve for x
    x = 2,831,507,941,051,561.50/80,852,856.70
  6. Step 6: Final answer
    x = 35,020,505.85

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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.