Home / 108,907,234.20-163,360,851.30-84,248,371.80

Finding the Fourth Proportional to 108,907,234.20, 163,360,851.30 and 84,248,371.80

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Solution

The fourth proportional to 108,907,234.20, 163,360,851.30 and 84,248,371.80 is: 126,372,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,907,234.20 : 163,360,851.30 = 84,248,371.80 : x
  2. Step 2: Convert to fraction form
    108,907,234.20/163,360,851.30 = 84,248,371.80/x
  3. Step 3: Cross multiply
    108,907,234.20x = 163,360,851.30 × 84,248,371.80
  4. Step 4: Simplify right side
    108,907,234.20x = 13,762,885,737,886,914
  5. Step 5: Solve for x
    x = 13,762,885,737,886,914/108,907,234.20
  6. Step 6: Final answer
    x = 126,372,557.70

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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.