Home / 60,021,192.31-82,803,882.24-40,181,349.78

Finding the Fourth Proportional to 60,021,192.31, 82,803,882.24 and 40,181,349.78

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Solution

The fourth proportional to 60,021,192.31, 82,803,882.24 and 40,181,349.78 is: 55,433,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,021,192.31 : 82,803,882.24 = 40,181,349.78 : x
  2. Step 2: Convert to fraction form
    60,021,192.31/82,803,882.24 = 40,181,349.78/x
  3. Step 3: Cross multiply
    60,021,192.31x = 82,803,882.24 × 40,181,349.78
  4. Step 4: Simplify right side
    60,021,192.31x = 3,327,171,755,720,147
  5. Step 5: Solve for x
    x = 3,327,171,755,720,147/60,021,192.31
  6. Step 6: Final answer
    x = 55,433,283.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.