Home / 76,712,439.83-115,067,872.42-44,343,746.33

Finding the Fourth Proportional to 76,712,439.83, 115,067,872.42 and 44,343,746.33

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Solution

The fourth proportional to 76,712,439.83, 115,067,872.42 and 44,343,746.33 is: 66,515,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,712,439.83 : 115,067,872.42 = 44,343,746.33 : x
  2. Step 2: Convert to fraction form
    76,712,439.83/115,067,872.42 = 44,343,746.33/x
  3. Step 3: Cross multiply
    76,712,439.83x = 115,067,872.42 × 44,343,746.33
  4. Step 4: Simplify right side
    76,712,439.83x = 5,102,540,544,639,085
  5. Step 5: Solve for x
    x = 5,102,540,544,639,085/76,712,439.83
  6. Step 6: Final answer
    x = 66,515,164.38

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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.