Home / 158,619,438.78-237,917,926.12-42,032,213.43

Finding the Fourth Proportional to 158,619,438.78, 237,917,926.12 and 42,032,213.43

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Solution

The fourth proportional to 158,619,438.78, 237,917,926.12 and 42,032,213.43 is: 63,045,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,619,438.78 : 237,917,926.12 = 42,032,213.43 : x
  2. Step 2: Convert to fraction form
    158,619,438.78/237,917,926.12 = 42,032,213.43/x
  3. Step 3: Cross multiply
    158,619,438.78x = 237,917,926.12 × 42,032,213.43
  4. Step 4: Simplify right side
    158,619,438.78x = 10,000,217,049,498,812
  5. Step 5: Solve for x
    x = 10,000,217,049,498,812/158,619,438.78
  6. Step 6: Final answer
    x = 63,045,343.79

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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.