Home / 79,224,007.20-118,836,010.80-55,037,536.80

Finding the Fourth Proportional to 79,224,007.20, 118,836,010.80 and 55,037,536.80

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Solution

The fourth proportional to 79,224,007.20, 118,836,010.80 and 55,037,536.80 is: 82,556,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224,007.20 : 118,836,010.80 = 55,037,536.80 : x
  2. Step 2: Convert to fraction form
    79,224,007.20/118,836,010.80 = 55,037,536.80/x
  3. Step 3: Cross multiply
    79,224,007.20x = 118,836,010.80 × 55,037,536.80
  4. Step 4: Simplify right side
    79,224,007.20x = 6,540,441,317,570,197
  5. Step 5: Solve for x
    x = 6,540,441,317,570,197/79,224,007.20
  6. Step 6: Final answer
    x = 82,556,305.20

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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.