Home / 131,310,617.38-181,231,153.59-76,338,360.34

Finding the Fourth Proportional to 131,310,617.38, 181,231,153.59 and 76,338,360.34

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Solution

The fourth proportional to 131,310,617.38, 181,231,153.59 and 76,338,360.34 is: 105,360,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,310,617.38 : 181,231,153.59 = 76,338,360.34 : x
  2. Step 2: Convert to fraction form
    131,310,617.38/181,231,153.59 = 76,338,360.34/x
  3. Step 3: Cross multiply
    131,310,617.38x = 181,231,153.59 × 76,338,360.34
  4. Step 4: Simplify right side
    131,310,617.38x = 13,834,889,107,587,306
  5. Step 5: Solve for x
    x = 13,834,889,107,587,306/131,310,617.38
  6. Step 6: Final answer
    x = 105,360,018.74

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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.