Home / 49,897,321.20-74,845,981.80-28,323,586.80

Finding the Fourth Proportional to 49,897,321.20, 74,845,981.80 and 28,323,586.80

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Solution

The fourth proportional to 49,897,321.20, 74,845,981.80 and 28,323,586.80 is: 42,485,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897,321.20 : 74,845,981.80 = 28,323,586.80 : x
  2. Step 2: Convert to fraction form
    49,897,321.20/74,845,981.80 = 28,323,586.80/x
  3. Step 3: Cross multiply
    49,897,321.20x = 74,845,981.80 × 28,323,586.80
  4. Step 4: Simplify right side
    49,897,321.20x = 2,119,906,662,143,520.25
  5. Step 5: Solve for x
    x = 2,119,906,662,143,520.25/49,897,321.20
  6. Step 6: Final answer
    x = 42,485,380.20

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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.