Home / 253,182,485.20-379,841,901.71-130,293,839.83

Finding the Fourth Proportional to 253,182,485.20, 379,841,901.71 and 130,293,839.83

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Solution

The fourth proportional to 253,182,485.20, 379,841,901.71 and 130,293,839.83 is: 195,475,843.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,182,485.20 : 379,841,901.71 = 130,293,839.83 : x
  2. Step 2: Convert to fraction form
    253,182,485.20/379,841,901.71 = 130,293,839.83/x
  3. Step 3: Cross multiply
    253,182,485.20x = 379,841,901.71 × 130,293,839.83
  4. Step 4: Simplify right side
    253,182,485.20x = 49,491,059,902,125,336
  5. Step 5: Solve for x
    x = 49,491,059,902,125,336/253,182,485.20
  6. Step 6: Final answer
    x = 195,475,843.69

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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.