Home / 137,246,600.07-205,876,521.27-45,128,298.69

Finding the Fourth Proportional to 137,246,600.07, 205,876,521.27 and 45,128,298.69

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Solution

The fourth proportional to 137,246,600.07, 205,876,521.27 and 45,128,298.69 is: 67,694,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,600.07 : 205,876,521.27 = 45,128,298.69 : x
  2. Step 2: Convert to fraction form
    137,246,600.07/205,876,521.27 = 45,128,298.69/x
  3. Step 3: Cross multiply
    137,246,600.07x = 205,876,521.27 × 45,128,298.69
  4. Step 4: Simplify right side
    137,246,600.07x = 9,290,857,145,130,698
  5. Step 5: Solve for x
    x = 9,290,857,145,130,698/137,246,600.07
  6. Step 6: Final answer
    x = 67,694,625.15

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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.