Home / 206,385,484.68-309,578,226.12-75,237,595.56

Finding the Fourth Proportional to 206,385,484.68, 309,578,226.12 and 75,237,595.56

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Solution

The fourth proportional to 206,385,484.68, 309,578,226.12 and 75,237,595.56 is: 112,856,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,385,484.68 : 309,578,226.12 = 75,237,595.56 : x
  2. Step 2: Convert to fraction form
    206,385,484.68/309,578,226.12 = 75,237,595.56/x
  3. Step 3: Cross multiply
    206,385,484.68x = 309,578,226.12 × 75,237,595.56
  4. Step 4: Simplify right side
    206,385,484.68x = 23,291,921,370,998,788
  5. Step 5: Solve for x
    x = 23,291,921,370,998,788/206,385,484.68
  6. Step 6: Final answer
    x = 112,856,393.01

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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.