Home / 359,333,579.82-538,946,307.08-100,515,251.82

Finding the Fourth Proportional to 359,333,579.82, 538,946,307.08 and 100,515,251.82

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Solution

The fourth proportional to 359,333,579.82, 538,946,307.08 and 100,515,251.82 is: 150,757,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,333,579.82 : 538,946,307.08 = 100,515,251.82 : x
  2. Step 2: Convert to fraction form
    359,333,579.82/538,946,307.08 = 100,515,251.82/x
  3. Step 3: Cross multiply
    359,333,579.82x = 538,946,307.08 × 100,515,251.82
  4. Step 4: Simplify right side
    359,333,579.82x = 54,172,323,773,102,672
  5. Step 5: Solve for x
    x = 54,172,323,773,102,672/359,333,579.82
  6. Step 6: Final answer
    x = 150,757,754.95

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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.