Home / 142,672,343.72-213,645,214.08-94,002,644.64

Finding the Fourth Proportional to 142,672,343.72, 213,645,214.08 and 94,002,644.64

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Solution

The fourth proportional to 142,672,343.72, 213,645,214.08 and 94,002,644.64 is: 140,764,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,672,343.72 : 213,645,214.08 = 94,002,644.64 : x
  2. Step 2: Convert to fraction form
    142,672,343.72/213,645,214.08 = 94,002,644.64/x
  3. Step 3: Cross multiply
    142,672,343.72x = 213,645,214.08 × 94,002,644.64
  4. Step 4: Simplify right side
    142,672,343.72x = 20,083,215,138,198,964
  5. Step 5: Solve for x
    x = 20,083,215,138,198,964/142,672,343.72
  6. Step 6: Final answer
    x = 140,764,598.20

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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.