Home / 137,246,614.82-205,876,543.38-45,128,313.44

Finding the Fourth Proportional to 137,246,614.82, 205,876,543.38 and 45,128,313.44

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Solution

The fourth proportional to 137,246,614.82, 205,876,543.38 and 45,128,313.44 is: 67,694,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,614.82 : 205,876,543.38 = 45,128,313.44 : x
  2. Step 2: Convert to fraction form
    137,246,614.82/205,876,543.38 = 45,128,313.44/x
  3. Step 3: Cross multiply
    137,246,614.82x = 205,876,543.38 × 45,128,313.44
  4. Step 4: Simplify right side
    137,246,614.82x = 9,290,861,179,596,396
  5. Step 5: Solve for x
    x = 9,290,861,179,596,396/137,246,614.82
  6. Step 6: Final answer
    x = 67,694,647.27

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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.