Home / 78,079,860.62-107,725,585.58-45,035,679.36

Finding the Fourth Proportional to 78,079,860.62, 107,725,585.58 and 45,035,679.36

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Solution

The fourth proportional to 78,079,860.62, 107,725,585.58 and 45,035,679.36 is: 62,135,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,079,860.62 : 107,725,585.58 = 45,035,679.36 : x
  2. Step 2: Convert to fraction form
    78,079,860.62/107,725,585.58 = 45,035,679.36/x
  3. Step 3: Cross multiply
    78,079,860.62x = 107,725,585.58 × 45,035,679.36
  4. Step 4: Simplify right side
    78,079,860.62x = 4,851,494,930,823,941
  5. Step 5: Solve for x
    x = 4,851,494,930,823,941/78,079,860.62
  6. Step 6: Final answer
    x = 62,135,035.75

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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.