Home / 154,524,809.80-231,818,318.70-45,349,769.80

Finding the Fourth Proportional to 154,524,809.80, 231,818,318.70 and 45,349,769.80

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Solution

The fourth proportional to 154,524,809.80, 231,818,318.70 and 45,349,769.80 is: 68,033,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524,809.80 : 231,818,318.70 = 45,349,769.80 : x
  2. Step 2: Convert to fraction form
    154,524,809.80/231,818,318.70 = 45,349,769.80/x
  3. Step 3: Cross multiply
    154,524,809.80x = 231,818,318.70 × 45,349,769.80
  4. Step 4: Simplify right side
    154,524,809.80x = 10,512,907,388,468,034
  5. Step 5: Solve for x
    x = 10,512,907,388,468,034/154,524,809.80
  6. Step 6: Final answer
    x = 68,033,783.07

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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.