Home / 72,577,601.20-108,866,401.80-21,455,066.80

Finding the Fourth Proportional to 72,577,601.20, 108,866,401.80 and 21,455,066.80

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Solution

The fourth proportional to 72,577,601.20, 108,866,401.80 and 21,455,066.80 is: 32,182,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,577,601.20 : 108,866,401.80 = 21,455,066.80 : x
  2. Step 2: Convert to fraction form
    72,577,601.20/108,866,401.80 = 21,455,066.80/x
  3. Step 3: Cross multiply
    72,577,601.20x = 108,866,401.80 × 21,455,066.80
  4. Step 4: Simplify right side
    72,577,601.20x = 2,335,735,922,894,640.50
  5. Step 5: Solve for x
    x = 2,335,735,922,894,640.50/72,577,601.20
  6. Step 6: Final answer
    x = 32,182,600.20

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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.