Home / 159,829,618.41-220,443,336.25-137,540,173.27

Finding the Fourth Proportional to 159,829,618.41, 220,443,336.25 and 137,540,173.27

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Solution

The fourth proportional to 159,829,618.41, 220,443,336.25 and 137,540,173.27 is: 189,700,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,829,618.41 : 220,443,336.25 = 137,540,173.27 : x
  2. Step 2: Convert to fraction form
    159,829,618.41/220,443,336.25 = 137,540,173.27/x
  3. Step 3: Cross multiply
    159,829,618.41x = 220,443,336.25 × 137,540,173.27
  4. Step 4: Simplify right side
    159,829,618.41x = 30,319,814,664,041,876
  5. Step 5: Solve for x
    x = 30,319,814,664,041,876/159,829,618.41
  6. Step 6: Final answer
    x = 189,700,851.23

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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.