Home / 89,279,281.35-123,218,855.03-54,492,186.85

Finding the Fourth Proportional to 89,279,281.35, 123,218,855.03 and 54,492,186.85

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Solution

The fourth proportional to 89,279,281.35, 123,218,855.03 and 54,492,186.85 is: 75,207,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,279,281.35 : 123,218,855.03 = 54,492,186.85 : x
  2. Step 2: Convert to fraction form
    89,279,281.35/123,218,855.03 = 54,492,186.85/x
  3. Step 3: Cross multiply
    89,279,281.35x = 123,218,855.03 × 54,492,186.85
  4. Step 4: Simplify right side
    89,279,281.35x = 6,714,464,871,566,005
  5. Step 5: Solve for x
    x = 6,714,464,871,566,005/89,279,281.35
  6. Step 6: Final answer
    x = 75,207,425.17

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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.