Home / 359,333,581.57-538,946,309.70-100,515,253.57

Finding the Fourth Proportional to 359,333,581.57, 538,946,309.70 and 100,515,253.57

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Solution

The fourth proportional to 359,333,581.57, 538,946,309.70 and 100,515,253.57 is: 150,757,757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,333,581.57 : 538,946,309.70 = 100,515,253.57 : x
  2. Step 2: Convert to fraction form
    359,333,581.57/538,946,309.70 = 100,515,253.57/x
  3. Step 3: Cross multiply
    359,333,581.57x = 538,946,309.70 × 100,515,253.57
  4. Step 4: Simplify right side
    359,333,581.57x = 54,172,324,980,111,248
  5. Step 5: Solve for x
    x = 54,172,324,980,111,248/359,333,581.57
  6. Step 6: Final answer
    x = 150,757,757.58

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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.