Home / 67,220,938.20-100,663,445.70-53,784,010.20

Finding the Fourth Proportional to 67,220,938.20, 100,663,445.70 and 53,784,010.20

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Solution

The fourth proportional to 67,220,938.20, 100,663,445.70 and 53,784,010.20 is: 80,541,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220,938.20 : 100,663,445.70 = 53,784,010.20 : x
  2. Step 2: Convert to fraction form
    67,220,938.20/100,663,445.70 = 53,784,010.20/x
  3. Step 3: Cross multiply
    67,220,938.20x = 100,663,445.70 × 53,784,010.20
  4. Step 4: Simplify right side
    67,220,938.20x = 5,414,083,790,295,947
  5. Step 5: Solve for x
    x = 5,414,083,790,295,947/67,220,938.20
  6. Step 6: Final answer
    x = 80,541,627.88

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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.