Home / 137,246,523.86-205,876,406.82-45,128,222.48

Finding the Fourth Proportional to 137,246,523.86, 205,876,406.82 and 45,128,222.48

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Solution

The fourth proportional to 137,246,523.86, 205,876,406.82 and 45,128,222.48 is: 67,694,510.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,523.86 : 205,876,406.82 = 45,128,222.48 : x
  2. Step 2: Convert to fraction form
    137,246,523.86/205,876,406.82 = 45,128,222.48/x
  3. Step 3: Cross multiply
    137,246,523.86x = 205,876,406.82 × 45,128,222.48
  4. Step 4: Simplify right side
    137,246,523.86x = 9,290,836,290,355,948
  5. Step 5: Solve for x
    x = 9,290,836,290,355,948/137,246,523.86
  6. Step 6: Final answer
    x = 67,694,510.79

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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.