Home / 80,853,365.70-121,280,048.55-23,347,512.90

Finding the Fourth Proportional to 80,853,365.70, 121,280,048.55 and 23,347,512.90

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Solution

The fourth proportional to 80,853,365.70, 121,280,048.55 and 23,347,512.90 is: 35,021,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,365.70 : 121,280,048.55 = 23,347,512.90 : x
  2. Step 2: Convert to fraction form
    80,853,365.70/121,280,048.55 = 23,347,512.90/x
  3. Step 3: Cross multiply
    80,853,365.70x = 121,280,048.55 × 23,347,512.90
  4. Step 4: Simplify right side
    80,853,365.70x = 2,831,587,498,033,751
  5. Step 5: Solve for x
    x = 2,831,587,498,033,751/80,853,365.70
  6. Step 6: Final answer
    x = 35,021,269.35

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1.5x scale

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.