Home / 137,568,207,385.80-206,283,272,364.36-80,153,595,787.86

Finding the Fourth Proportional to 137,568,207,385.80, 206,283,272,364.36 and 80,153,595,787.86

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Solution

The fourth proportional to 137,568,207,385.80, 206,283,272,364.36 and 80,153,595,787.86 is: 120,190,168,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,568,207,385.80 : 206,283,272,364.36 = 80,153,595,787.86 : x
  2. Step 2: Convert to fraction form
    137,568,207,385.80/206,283,272,364.36 = 80,153,595,787.86/x
  3. Step 3: Cross multiply
    137,568,207,385.80x = 206,283,272,364.36 × 80,153,595,787.86
  4. Step 4: Simplify right side
    137,568,207,385.80x = 16,534,346,030,889,941,598,208
  5. Step 5: Solve for x
    x = 16,534,346,030,889,941,598,208/137,568,207,385.80
  6. Step 6: Final answer
    x = 120,190,168,535.97

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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.