Home / 201,472,785.20-302,059,878.60-136,614,724.40

Finding the Fourth Proportional to 201,472,785.20, 302,059,878.60 and 136,614,724.40

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Solution

The fourth proportional to 201,472,785.20, 302,059,878.60 and 136,614,724.40 is: 204,820,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,472,785.20 : 302,059,878.60 = 136,614,724.40 : x
  2. Step 2: Convert to fraction form
    201,472,785.20/302,059,878.60 = 136,614,724.40/x
  3. Step 3: Cross multiply
    201,472,785.20x = 302,059,878.60 × 136,614,724.40
  4. Step 4: Simplify right side
    201,472,785.20x = 41,265,827,067,236,464
  5. Step 5: Solve for x
    x = 41,265,827,067,236,464/201,472,785.20
  6. Step 6: Final answer
    x = 204,820,849.76

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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.