Home / 96,777,778.80-145,166,668.20-83,639,449.20

Finding the Fourth Proportional to 96,777,778.80, 145,166,668.20 and 83,639,449.20

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Solution

The fourth proportional to 96,777,778.80, 145,166,668.20 and 83,639,449.20 is: 125,459,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777,778.80 : 145,166,668.20 = 83,639,449.20 : x
  2. Step 2: Convert to fraction form
    96,777,778.80/145,166,668.20 = 83,639,449.20/x
  3. Step 3: Cross multiply
    96,777,778.80x = 145,166,668.20 × 83,639,449.20
  4. Step 4: Simplify right side
    96,777,778.80x = 12,141,660,170,447,154
  5. Step 5: Solve for x
    x = 12,141,660,170,447,154/96,777,778.80
  6. Step 6: Final answer
    x = 125,459,173.80

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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.