Home / 71,338,818.85-98,449,993.47-68,069,958.49

Finding the Fourth Proportional to 71,338,818.85, 98,449,993.47 and 68,069,958.49

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Solution

The fourth proportional to 71,338,818.85, 98,449,993.47 and 68,069,958.49 is: 93,938,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,338,818.85 : 98,449,993.47 = 68,069,958.49 : x
  2. Step 2: Convert to fraction form
    71,338,818.85/98,449,993.47 = 68,069,958.49/x
  3. Step 3: Cross multiply
    71,338,818.85x = 98,449,993.47 × 68,069,958.49
  4. Step 4: Simplify right side
    71,338,818.85x = 6,701,486,968,843,670
  5. Step 5: Solve for x
    x = 6,701,486,968,843,670/71,338,818.85
  6. Step 6: Final answer
    x = 93,938,855.13

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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.