Home / 40,825,414.80-61,154,141.40-20,642,029.20

Finding the Fourth Proportional to 40,825,414.80, 61,154,141.40 and 20,642,029.20

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Solution

The fourth proportional to 40,825,414.80, 61,154,141.40 and 20,642,029.20 is: 30,920,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,825,414.80 : 61,154,141.40 = 20,642,029.20 : x
  2. Step 2: Convert to fraction form
    40,825,414.80/61,154,141.40 = 20,642,029.20/x
  3. Step 3: Cross multiply
    40,825,414.80x = 61,154,141.40 × 20,642,029.20
  4. Step 4: Simplify right side
    40,825,414.80x = 1,262,345,572,479,728.75
  5. Step 5: Solve for x
    x = 1,262,345,572,479,728.75/40,825,414.80
  6. Step 6: Final answer
    x = 30,920,581.67

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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.