Home / 137,646,003.40-206,469,005.10-76,424,000.20

Finding the Fourth Proportional to 137,646,003.40, 206,469,005.10 and 76,424,000.20

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Solution

The fourth proportional to 137,646,003.40, 206,469,005.10 and 76,424,000.20 is: 114,636,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,646,003.40 : 206,469,005.10 = 76,424,000.20 : x
  2. Step 2: Convert to fraction form
    137,646,003.40/206,469,005.10 = 76,424,000.20/x
  3. Step 3: Cross multiply
    137,646,003.40x = 206,469,005.10 × 76,424,000.20
  4. Step 4: Simplify right side
    137,646,003.40x = 15,779,187,287,056,202
  5. Step 5: Solve for x
    x = 15,779,187,287,056,202/137,646,003.40
  6. Step 6: Final answer
    x = 114,636,000.30

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1.5x scale

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.