Home / 129,993,836.31-195,012,676.44-43,711,732.76

Finding the Fourth Proportional to 129,993,836.31, 195,012,676.44 and 43,711,732.76

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Solution

The fourth proportional to 129,993,836.31, 195,012,676.44 and 43,711,732.76 is: 65,574,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,993,836.31 : 195,012,676.44 = 43,711,732.76 : x
  2. Step 2: Convert to fraction form
    129,993,836.31/195,012,676.44 = 43,711,732.76/x
  3. Step 3: Cross multiply
    129,993,836.31x = 195,012,676.44 × 43,711,732.76
  4. Step 4: Simplify right side
    129,993,836.31x = 8,524,341,996,382,565
  5. Step 5: Solve for x
    x = 8,524,341,996,382,565/129,993,836.31
  6. Step 6: Final answer
    x = 65,574,970.62

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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.