Home / 140,885,358.06-194,399,868.56-80,533,490.29

Finding the Fourth Proportional to 140,885,358.06, 194,399,868.56 and 80,533,490.29

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Solution

The fourth proportional to 140,885,358.06, 194,399,868.56 and 80,533,490.29 is: 111,123,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,885,358.06 : 194,399,868.56 = 80,533,490.29 : x
  2. Step 2: Convert to fraction form
    140,885,358.06/194,399,868.56 = 80,533,490.29/x
  3. Step 3: Cross multiply
    140,885,358.06x = 194,399,868.56 × 80,533,490.29
  4. Step 4: Simplify right side
    140,885,358.06x = 15,655,699,926,957,816
  5. Step 5: Solve for x
    x = 15,655,699,926,957,816/140,885,358.06
  6. Step 6: Final answer
    x = 111,123,683.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.