Home / 131,544,983.16-197,227,791.54-66,723,795.18

Finding the Fourth Proportional to 131,544,983.16, 197,227,791.54 and 66,723,795.18

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Solution

The fourth proportional to 131,544,983.16, 197,227,791.54 and 66,723,795.18 is: 100,040,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,544,983.16 : 197,227,791.54 = 66,723,795.18 : x
  2. Step 2: Convert to fraction form
    131,544,983.16/197,227,791.54 = 66,723,795.18/x
  3. Step 3: Cross multiply
    131,544,983.16x = 197,227,791.54 × 66,723,795.18
  4. Step 4: Simplify right side
    131,544,983.16x = 13,159,786,766,518,696
  5. Step 5: Solve for x
    x = 13,159,786,766,518,696/131,544,983.16
  6. Step 6: Final answer
    x = 100,040,202.60

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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.