Home / 86,794,241.80-130,002,405.90-52,656,046.60

Finding the Fourth Proportional to 86,794,241.80, 130,002,405.90 and 52,656,046.60

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Solution

The fourth proportional to 86,794,241.80, 130,002,405.90 and 52,656,046.60 is: 78,869,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,794,241.80 : 130,002,405.90 = 52,656,046.60 : x
  2. Step 2: Convert to fraction form
    86,794,241.80/130,002,405.90 = 52,656,046.60/x
  3. Step 3: Cross multiply
    86,794,241.80x = 130,002,405.90 × 52,656,046.60
  4. Step 4: Simplify right side
    86,794,241.80x = 6,845,412,743,182,515
  5. Step 5: Solve for x
    x = 6,845,412,743,182,515/86,794,241.80
  6. Step 6: Final answer
    x = 78,869,434.21

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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.