Home / 80,123,490.80-120,311,207.40-46,111,266.80

Finding the Fourth Proportional to 80,123,490.80, 120,311,207.40 and 46,111,266.80

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Solution

The fourth proportional to 80,123,490.80, 120,311,207.40 and 46,111,266.80 is: 69,239,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123,490.80 : 120,311,207.40 = 46,111,266.80 : x
  2. Step 2: Convert to fraction form
    80,123,490.80/120,311,207.40 = 46,111,266.80/x
  3. Step 3: Cross multiply
    80,123,490.80x = 120,311,207.40 × 46,111,266.80
  4. Step 4: Simplify right side
    80,123,490.80x = 5,547,702,183,451,534
  5. Step 5: Solve for x
    x = 5,547,702,183,451,534/80,123,490.80
  6. Step 6: Final answer
    x = 69,239,396.94

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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.