Home / 157,815,583.30-217,776,107.60-87,246,965.40

Finding the Fourth Proportional to 157,815,583.30, 217,776,107.60 and 87,246,965.40

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Solution

The fourth proportional to 157,815,583.30, 217,776,107.60 and 87,246,965.40 is: 120,395,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,815,583.30 : 217,776,107.60 = 87,246,965.40 : x
  2. Step 2: Convert to fraction form
    157,815,583.30/217,776,107.60 = 87,246,965.40/x
  3. Step 3: Cross multiply
    157,815,583.30x = 217,776,107.60 × 87,246,965.40
  4. Step 4: Simplify right side
    157,815,583.30x = 19,000,304,524,723,876
  5. Step 5: Solve for x
    x = 19,000,304,524,723,876/157,815,583.30
  6. Step 6: Final answer
    x = 120,395,617.01

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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.