Home / 80,629,863.12-111,278,657.47-45,827,784.93

Finding the Fourth Proportional to 80,629,863.12, 111,278,657.47 and 45,827,784.93

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Solution

The fourth proportional to 80,629,863.12, 111,278,657.47 and 45,827,784.93 is: 63,247,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629,863.12 : 111,278,657.47 = 45,827,784.93 : x
  2. Step 2: Convert to fraction form
    80,629,863.12/111,278,657.47 = 45,827,784.93/x
  3. Step 3: Cross multiply
    80,629,863.12x = 111,278,657.47 × 45,827,784.93
  4. Step 4: Simplify right side
    80,629,863.12x = 5,099,654,382,308,878
  5. Step 5: Solve for x
    x = 5,099,654,382,308,878/80,629,863.12
  6. Step 6: Final answer
    x = 63,247,712.26

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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.