Home / 137,656,247.80-206,515,479.96-45,539,768.32

Finding the Fourth Proportional to 137,656,247.80, 206,515,479.96 and 45,539,768.32

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Solution

The fourth proportional to 137,656,247.80, 206,515,479.96 and 45,539,768.32 is: 68,319,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,656,247.80 : 206,515,479.96 = 45,539,768.32 : x
  2. Step 2: Convert to fraction form
    137,656,247.80/206,515,479.96 = 45,539,768.32/x
  3. Step 3: Cross multiply
    137,656,247.80x = 206,515,479.96 × 45,539,768.32
  4. Step 4: Simplify right side
    137,656,247.80x = 9,404,667,111,872,004
  5. Step 5: Solve for x
    x = 9,404,667,111,872,004/137,656,247.80
  6. Step 6: Final answer
    x = 68,319,943.79

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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.