Home / 158,829,719.86-219,190,336.32-88,268,304.22

Finding the Fourth Proportional to 158,829,719.86, 219,190,336.32 and 88,268,304.22

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Solution

The fourth proportional to 158,829,719.86, 219,190,336.32 and 88,268,304.22 is: 121,813,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,829,719.86 : 219,190,336.32 = 88,268,304.22 : x
  2. Step 2: Convert to fraction form
    158,829,719.86/219,190,336.32 = 88,268,304.22/x
  3. Step 3: Cross multiply
    158,829,719.86x = 219,190,336.32 × 88,268,304.22
  4. Step 4: Simplify right side
    158,829,719.86x = 19,347,559,288,377,876
  5. Step 5: Solve for x
    x = 19,347,559,288,377,876/158,829,719.86
  6. Step 6: Final answer
    x = 121,813,217.99

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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.