Home / 82,883,747.20-124,325,620.80-52,650,659.20

Finding the Fourth Proportional to 82,883,747.20, 124,325,620.80 and 52,650,659.20

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Solution

The fourth proportional to 82,883,747.20, 124,325,620.80 and 52,650,659.20 is: 78,975,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,883,747.20 : 124,325,620.80 = 52,650,659.20 : x
  2. Step 2: Convert to fraction form
    82,883,747.20/124,325,620.80 = 52,650,659.20/x
  3. Step 3: Cross multiply
    82,883,747.20x = 124,325,620.80 × 52,650,659.20
  4. Step 4: Simplify right side
    82,883,747.20x = 6,545,825,890,569,232
  5. Step 5: Solve for x
    x = 6,545,825,890,569,232/82,883,747.20
  6. Step 6: Final answer
    x = 78,975,988.80

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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.