Home / 154,259,071.52-231,266,859.44-76,482,349.28

Finding the Fourth Proportional to 154,259,071.52, 231,266,859.44 and 76,482,349.28

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Solution

The fourth proportional to 154,259,071.52, 231,266,859.44 and 76,482,349.28 is: 114,663,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,259,071.52 : 231,266,859.44 = 76,482,349.28 : x
  2. Step 2: Convert to fraction form
    154,259,071.52/231,266,859.44 = 76,482,349.28/x
  3. Step 3: Cross multiply
    154,259,071.52x = 231,266,859.44 × 76,482,349.28
  4. Step 4: Simplify right side
    154,259,071.52x = 17,687,832,720,578,746
  5. Step 5: Solve for x
    x = 17,687,832,720,578,746/154,259,071.52
  6. Step 6: Final answer
    x = 114,663,160.79

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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.