Home / 154,204,507.68-231,284,009.18-45,000,357.32

Finding the Fourth Proportional to 154,204,507.68, 231,284,009.18 and 45,000,357.32

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Solution

The fourth proportional to 154,204,507.68, 231,284,009.18 and 45,000,357.32 is: 67,493,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,507.68 : 231,284,009.18 = 45,000,357.32 : x
  2. Step 2: Convert to fraction form
    154,204,507.68/231,284,009.18 = 45,000,357.32/x
  3. Step 3: Cross multiply
    154,204,507.68x = 231,284,009.18 × 45,000,357.32
  4. Step 4: Simplify right side
    154,204,507.68x = 10,407,863,055,502,160
  5. Step 5: Solve for x
    x = 10,407,863,055,502,160/154,204,507.68
  6. Step 6: Final answer
    x = 67,493,896.33

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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.