Home / 137,656,248.80-206,515,481.46-45,539,769.32

Finding the Fourth Proportional to 137,656,248.80, 206,515,481.46 and 45,539,769.32

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Solution

The fourth proportional to 137,656,248.80, 206,515,481.46 and 45,539,769.32 is: 68,319,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,656,248.80 : 206,515,481.46 = 45,539,769.32 : x
  2. Step 2: Convert to fraction form
    137,656,248.80/206,515,481.46 = 45,539,769.32/x
  3. Step 3: Cross multiply
    137,656,248.80x = 206,515,481.46 × 45,539,769.32
  4. Step 4: Simplify right side
    137,656,248.80x = 9,404,667,386,697,138
  5. Step 5: Solve for x
    x = 9,404,667,386,697,138/137,656,248.80
  6. Step 6: Final answer
    x = 68,319,945.29

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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.