Home / 84,089,563.20-126,092,354.40-38,599,963.20

Finding the Fourth Proportional to 84,089,563.20, 126,092,354.40 and 38,599,963.20

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Solution

The fourth proportional to 84,089,563.20, 126,092,354.40 and 38,599,963.20 is: 57,880,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,089,563.20 : 126,092,354.40 = 38,599,963.20 : x
  2. Step 2: Convert to fraction form
    84,089,563.20/126,092,354.40 = 38,599,963.20/x
  3. Step 3: Cross multiply
    84,089,563.20x = 126,092,354.40 × 38,599,963.20
  4. Step 4: Simplify right side
    84,089,563.20x = 4,867,160,239,641,359
  5. Step 5: Solve for x
    x = 4,867,160,239,641,359/84,089,563.20
  6. Step 6: Final answer
    x = 57,880,669.78

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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.