Home / 159,940,872.72-239,911,309.20-38,772,324.72

Finding the Fourth Proportional to 159,940,872.72, 239,911,309.20 and 38,772,324.72

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Solution

The fourth proportional to 159,940,872.72, 239,911,309.20 and 38,772,324.72 is: 58,158,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,940,872.72 : 239,911,309.20 = 38,772,324.72 : x
  2. Step 2: Convert to fraction form
    159,940,872.72/239,911,309.20 = 38,772,324.72/x
  3. Step 3: Cross multiply
    159,940,872.72x = 239,911,309.20 × 38,772,324.72
  4. Step 4: Simplify right side
    159,940,872.72x = 9,301,919,184,302,722
  5. Step 5: Solve for x
    x = 9,301,919,184,302,722/159,940,872.72
  6. Step 6: Final answer
    x = 58,158,487.11

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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.