Home / 79,234,801.20-118,852,201.80-54,575,938.80

Finding the Fourth Proportional to 79,234,801.20, 118,852,201.80 and 54,575,938.80

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Solution

The fourth proportional to 79,234,801.20, 118,852,201.80 and 54,575,938.80 is: 81,863,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,234,801.20 : 118,852,201.80 = 54,575,938.80 : x
  2. Step 2: Convert to fraction form
    79,234,801.20/118,852,201.80 = 54,575,938.80/x
  3. Step 3: Cross multiply
    79,234,801.20x = 118,852,201.80 × 54,575,938.80
  4. Step 4: Simplify right side
    79,234,801.20x = 6,486,470,491,682,049
  5. Step 5: Solve for x
    x = 6,486,470,491,682,049/79,234,801.20
  6. Step 6: Final answer
    x = 81,863,908.20

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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.