Home / 72,448,163.20-108,672,244.80-72,023,010.40

Finding the Fourth Proportional to 72,448,163.20, 108,672,244.80 and 72,023,010.40

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Solution

The fourth proportional to 72,448,163.20, 108,672,244.80 and 72,023,010.40 is: 108,034,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,448,163.20 : 108,672,244.80 = 72,023,010.40 : x
  2. Step 2: Convert to fraction form
    72,448,163.20/108,672,244.80 = 72,023,010.40/x
  3. Step 3: Cross multiply
    72,448,163.20x = 108,672,244.80 × 72,023,010.40
  4. Step 4: Simplify right side
    72,448,163.20x = 7,826,902,217,421,746
  5. Step 5: Solve for x
    x = 7,826,902,217,421,746/72,448,163.20
  6. Step 6: Final answer
    x = 108,034,515.60

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Double scale
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Similar ratio
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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.