Home / 102,802,998.68-154,189,329.78-30,000,231.78

Finding the Fourth Proportional to 102,802,998.68, 154,189,329.78 and 30,000,231.78

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Solution

The fourth proportional to 102,802,998.68, 154,189,329.78 and 30,000,231.78 is: 44,995,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,802,998.68 : 154,189,329.78 = 30,000,231.78 : x
  2. Step 2: Convert to fraction form
    102,802,998.68/154,189,329.78 = 30,000,231.78/x
  3. Step 3: Cross multiply
    102,802,998.68x = 154,189,329.78 × 30,000,231.78
  4. Step 4: Simplify right side
    102,802,998.68x = 4,625,715,631,402,857
  5. Step 5: Solve for x
    x = 4,625,715,631,402,857/102,802,998.68
  6. Step 6: Final answer
    x = 44,995,921.24

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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.