Home / 154,259,087-231,266,882.76-76,482,364.80

Finding the Fourth Proportional to 154,259,087, 231,266,882.76 and 76,482,364.80

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Solution

The fourth proportional to 154,259,087, 231,266,882.76 and 76,482,364.80 is: 114,663,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,259,087 : 231,266,882.76 = 76,482,364.80 : x
  2. Step 2: Convert to fraction form
    154,259,087/231,266,882.76 = 76,482,364.80/x
  3. Step 3: Cross multiply
    154,259,087x = 231,266,882.76 × 76,482,364.80
  4. Step 4: Simplify right side
    154,259,087x = 17,687,838,093,409,150
  5. Step 5: Solve for x
    x = 17,687,838,093,409,150/154,259,087
  6. Step 6: Final answer
    x = 114,663,184.11

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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.