Home / 84,252,003.40-126,378,005.10-43,437,334.60

Finding the Fourth Proportional to 84,252,003.40, 126,378,005.10 and 43,437,334.60

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Solution

The fourth proportional to 84,252,003.40, 126,378,005.10 and 43,437,334.60 is: 65,156,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,252,003.40 : 126,378,005.10 = 43,437,334.60 : x
  2. Step 2: Convert to fraction form
    84,252,003.40/126,378,005.10 = 43,437,334.60/x
  3. Step 3: Cross multiply
    84,252,003.40x = 126,378,005.10 × 43,437,334.60
  4. Step 4: Simplify right side
    84,252,003.40x = 5,489,523,693,609,206
  5. Step 5: Solve for x
    x = 5,489,523,693,609,206/84,252,003.40
  6. Step 6: Final answer
    x = 65,156,001.90

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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.