Home / 185,858,080.20-256,538,217.69-123,978,271.14

Finding the Fourth Proportional to 185,858,080.20, 256,538,217.69 and 123,978,271.14

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Solution

The fourth proportional to 185,858,080.20, 256,538,217.69 and 123,978,271.14 is: 171,126,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,858,080.20 : 256,538,217.69 = 123,978,271.14 : x
  2. Step 2: Convert to fraction form
    185,858,080.20/256,538,217.69 = 123,978,271.14/x
  3. Step 3: Cross multiply
    185,858,080.20x = 256,538,217.69 × 123,978,271.14
  4. Step 4: Simplify right side
    185,858,080.20x = 31,805,164,710,543,164
  5. Step 5: Solve for x
    x = 31,805,164,710,543,164/185,858,080.20
  6. Step 6: Final answer
    x = 171,126,080.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.