Home / 77,794,281.20-116,691,421.80-73,330,176.80

Finding the Fourth Proportional to 77,794,281.20, 116,691,421.80 and 73,330,176.80

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Solution

The fourth proportional to 77,794,281.20, 116,691,421.80 and 73,330,176.80 is: 109,995,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794,281.20 : 116,691,421.80 = 73,330,176.80 : x
  2. Step 2: Convert to fraction form
    77,794,281.20/116,691,421.80 = 73,330,176.80/x
  3. Step 3: Cross multiply
    77,794,281.20x = 116,691,421.80 × 73,330,176.80
  4. Step 4: Simplify right side
    77,794,281.20x = 8,557,002,591,637,374
  5. Step 5: Solve for x
    x = 8,557,002,591,637,374/77,794,281.20
  6. Step 6: Final answer
    x = 109,995,265.20

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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.