Home / 161,859,685.11-242,869,245.63-75,585,553.17

Finding the Fourth Proportional to 161,859,685.11, 242,869,245.63 and 75,585,553.17

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Solution

The fourth proportional to 161,859,685.11, 242,869,245.63 and 75,585,553.17 is: 113,415,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,859,685.11 : 242,869,245.63 = 75,585,553.17 : x
  2. Step 2: Convert to fraction form
    161,859,685.11/242,869,245.63 = 75,585,553.17/x
  3. Step 3: Cross multiply
    161,859,685.11x = 242,869,245.63 × 75,585,553.17
  4. Step 4: Simplify right side
    161,859,685.11x = 18,357,406,278,924,156
  5. Step 5: Solve for x
    x = 18,357,406,278,924,156/161,859,685.11
  6. Step 6: Final answer
    x = 113,415,556.61

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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.