Home / 85,143,134.40-127,731,290.40-34,016,452.80

Finding the Fourth Proportional to 85,143,134.40, 127,731,290.40 and 34,016,452.80

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Solution

The fourth proportional to 85,143,134.40, 127,731,290.40 and 34,016,452.80 is: 51,031,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,143,134.40 : 127,731,290.40 = 34,016,452.80 : x
  2. Step 2: Convert to fraction form
    85,143,134.40/127,731,290.40 = 34,016,452.80/x
  3. Step 3: Cross multiply
    85,143,134.40x = 127,731,290.40 × 34,016,452.80
  4. Step 4: Simplify right side
    85,143,134.40x = 4,344,965,410,974,693
  5. Step 5: Solve for x
    x = 4,344,965,410,974,693/85,143,134.40
  6. Step 6: Final answer
    x = 51,031,306.77

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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.