Home / 159,783,357.16-239,463,151.30-82,057,121.55

Finding the Fourth Proportional to 159,783,357.16, 239,463,151.30 and 82,057,121.55

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Solution

The fourth proportional to 159,783,357.16, 239,463,151.30 and 82,057,121.55 is: 122,976,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,783,357.16 : 239,463,151.30 = 82,057,121.55 : x
  2. Step 2: Convert to fraction form
    159,783,357.16/239,463,151.30 = 82,057,121.55/x
  3. Step 3: Cross multiply
    159,783,357.16x = 239,463,151.30 × 82,057,121.55
  4. Step 4: Simplify right side
    159,783,357.16x = 19,649,656,913,072,712
  5. Step 5: Solve for x
    x = 19,649,656,913,072,712/159,783,357.16
  6. Step 6: Final answer
    x = 122,976,868.57

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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.