Home / 98,059,122.78-146,986,507.53-54,864,997.98

Finding the Fourth Proportional to 98,059,122.78, 146,986,507.53 and 54,864,997.98

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Solution

The fourth proportional to 98,059,122.78, 146,986,507.53 and 54,864,997.98 is: 82,240,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,059,122.78 : 146,986,507.53 = 54,864,997.98 : x
  2. Step 2: Convert to fraction form
    98,059,122.78/146,986,507.53 = 54,864,997.98/x
  3. Step 3: Cross multiply
    98,059,122.78x = 146,986,507.53 × 54,864,997.98
  4. Step 4: Simplify right side
    98,059,122.78x = 8,064,414,438,720,704
  5. Step 5: Solve for x
    x = 8,064,414,438,720,704/98,059,122.78
  6. Step 6: Final answer
    x = 82,240,328.18

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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.