Home / 79,036,253.42-118,622,481.02-54,792,205.45

Finding the Fourth Proportional to 79,036,253.42, 118,622,481.02 and 54,792,205.45

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Solution

The fourth proportional to 79,036,253.42, 118,622,481.02 and 54,792,205.45 is: 82,235,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036,253.42 : 118,622,481.02 = 54,792,205.45 : x
  2. Step 2: Convert to fraction form
    79,036,253.42/118,622,481.02 = 54,792,205.45/x
  3. Step 3: Cross multiply
    79,036,253.42x = 118,622,481.02 × 54,792,205.45
  4. Step 4: Simplify right side
    79,036,253.42x = 6,499,587,350,979,451
  5. Step 5: Solve for x
    x = 6,499,587,350,979,451/79,036,253.42
  6. Step 6: Final answer
    x = 82,235,519.40

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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.