Home / 45,049,705.40-67,574,557.19-20,781,452.14

Finding the Fourth Proportional to 45,049,705.40, 67,574,557.19 and 20,781,452.14

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Solution

The fourth proportional to 45,049,705.40, 67,574,557.19 and 20,781,452.14 is: 31,172,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,049,705.40 : 67,574,557.19 = 20,781,452.14 : x
  2. Step 2: Convert to fraction form
    45,049,705.40/67,574,557.19 = 20,781,452.14/x
  3. Step 3: Cross multiply
    45,049,705.40x = 67,574,557.19 × 20,781,452.14
  4. Step 4: Simplify right side
    45,049,705.40x = 1,404,297,426,008,695
  5. Step 5: Solve for x
    x = 1,404,297,426,008,695/45,049,705.40
  6. Step 6: Final answer
    x = 31,172,177.79

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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.