Home / 131,310,648.88-181,231,197.06-76,338,391.84

Finding the Fourth Proportional to 131,310,648.88, 181,231,197.06 and 76,338,391.84

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Solution

The fourth proportional to 131,310,648.88, 181,231,197.06 and 76,338,391.84 is: 105,360,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,310,648.88 : 181,231,197.06 = 76,338,391.84 : x
  2. Step 2: Convert to fraction form
    131,310,648.88/181,231,197.06 = 76,338,391.84/x
  3. Step 3: Cross multiply
    131,310,648.88x = 181,231,197.06 × 76,338,391.84
  4. Step 4: Simplify right side
    131,310,648.88x = 13,834,898,134,798,536
  5. Step 5: Solve for x
    x = 13,834,898,134,798,536/131,310,648.88
  6. Step 6: Final answer
    x = 105,360,062.21

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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.