Home / 78,028,360.26-107,682,681.34-43,221,046.34

Finding the Fourth Proportional to 78,028,360.26, 107,682,681.34 and 43,221,046.34

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Solution

The fourth proportional to 78,028,360.26, 107,682,681.34 and 43,221,046.34 is: 59,647,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,028,360.26 : 107,682,681.34 = 43,221,046.34 : x
  2. Step 2: Convert to fraction form
    78,028,360.26/107,682,681.34 = 43,221,046.34/x
  3. Step 3: Cross multiply
    78,028,360.26x = 107,682,681.34 × 43,221,046.34
  4. Step 4: Simplify right side
    78,028,360.26x = 4,654,158,160,211,594
  5. Step 5: Solve for x
    x = 4,654,158,160,211,594/78,028,360.26
  6. Step 6: Final answer
    x = 59,647,007.12

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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.