Home / 68,706,801.50-94,815,582.90-39,338,584.52

Finding the Fourth Proportional to 68,706,801.50, 94,815,582.90 and 39,338,584.52

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Solution

The fourth proportional to 68,706,801.50, 94,815,582.90 and 39,338,584.52 is: 54,287,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,706,801.50 : 94,815,582.90 = 39,338,584.52 : x
  2. Step 2: Convert to fraction form
    68,706,801.50/94,815,582.90 = 39,338,584.52/x
  3. Step 3: Cross multiply
    68,706,801.50x = 94,815,582.90 × 39,338,584.52
  4. Step 4: Simplify right side
    68,706,801.50x = 3,729,910,821,724,717.50
  5. Step 5: Solve for x
    x = 3,729,910,821,724,717.50/68,706,801.50
  6. Step 6: Final answer
    x = 54,287,359.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.