Home / 78,653,498.90-117,980,621.75-24,065,997.53

Finding the Fourth Proportional to 78,653,498.90, 117,980,621.75 and 24,065,997.53

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Solution

The fourth proportional to 78,653,498.90, 117,980,621.75 and 24,065,997.53 is: 36,099,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,653,498.90 : 117,980,621.75 = 24,065,997.53 : x
  2. Step 2: Convert to fraction form
    78,653,498.90/117,980,621.75 = 24,065,997.53/x
  3. Step 3: Cross multiply
    78,653,498.90x = 117,980,621.75 × 24,065,997.53
  4. Step 4: Simplify right side
    78,653,498.90x = 2,839,321,351,093,626
  5. Step 5: Solve for x
    x = 2,839,321,351,093,626/78,653,498.90
  6. Step 6: Final answer
    x = 36,099,110.54

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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.