Home / 112,993,793.76-155,918,769.84-66,581,027.04

Finding the Fourth Proportional to 112,993,793.76, 155,918,769.84 and 66,581,027.04

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Solution

The fourth proportional to 112,993,793.76, 155,918,769.84 and 66,581,027.04 is: 91,874,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993,793.76 : 155,918,769.84 = 66,581,027.04 : x
  2. Step 2: Convert to fraction form
    112,993,793.76/155,918,769.84 = 66,581,027.04/x
  3. Step 3: Cross multiply
    112,993,793.76x = 155,918,769.84 × 66,581,027.04
  4. Step 4: Simplify right side
    112,993,793.76x = 10,381,231,830,760,576
  5. Step 5: Solve for x
    x = 10,381,231,830,760,576/112,993,793.76
  6. Step 6: Final answer
    x = 91,874,354.20

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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.