Home / 131,310,617.88-181,231,154.28-76,338,360.84

Finding the Fourth Proportional to 131,310,617.88, 181,231,154.28 and 76,338,360.84

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Solution

The fourth proportional to 131,310,617.88, 181,231,154.28 and 76,338,360.84 is: 105,360,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,310,617.88 : 181,231,154.28 = 76,338,360.84 : x
  2. Step 2: Convert to fraction form
    131,310,617.88/181,231,154.28 = 76,338,360.84/x
  3. Step 3: Cross multiply
    131,310,617.88x = 181,231,154.28 × 76,338,360.84
  4. Step 4: Simplify right side
    131,310,617.88x = 13,834,889,250,876,352
  5. Step 5: Solve for x
    x = 13,834,889,250,876,352/131,310,617.88
  6. Step 6: Final answer
    x = 105,360,019.43

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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.