Home / 131,545,010.66-197,227,832.78-66,723,822.68

Finding the Fourth Proportional to 131,545,010.66, 197,227,832.78 and 66,723,822.68

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Solution

The fourth proportional to 131,545,010.66, 197,227,832.78 and 66,723,822.68 is: 100,040,243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,545,010.66 : 197,227,832.78 = 66,723,822.68 : x
  2. Step 2: Convert to fraction form
    131,545,010.66/197,227,832.78 = 66,723,822.68/x
  3. Step 3: Cross multiply
    131,545,010.66x = 197,227,832.78 × 66,723,822.68
  4. Step 4: Simplify right side
    131,545,010.66x = 13,159,794,941,973,412
  5. Step 5: Solve for x
    x = 13,159,794,941,973,412/131,545,010.66
  6. Step 6: Final answer
    x = 100,040,243.84

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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.