Home / 80,853,395.70-121,280,093.55-23,347,542.90

Finding the Fourth Proportional to 80,853,395.70, 121,280,093.55 and 23,347,542.90

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Solution

The fourth proportional to 80,853,395.70, 121,280,093.55 and 23,347,542.90 is: 35,021,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,395.70 : 121,280,093.55 = 23,347,542.90 : x
  2. Step 2: Convert to fraction form
    80,853,395.70/121,280,093.55 = 23,347,542.90/x
  3. Step 3: Cross multiply
    80,853,395.70x = 121,280,093.55 × 23,347,542.90
  4. Step 4: Simplify right side
    80,853,395.70x = 2,831,592,187,074,638
  5. Step 5: Solve for x
    x = 2,831,592,187,074,638/80,853,395.70
  6. Step 6: Final answer
    x = 35,021,314.35

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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.