Home / 52,169,647.49-78,256,987.87-17,153,986.53

Finding the Fourth Proportional to 52,169,647.49, 78,256,987.87 and 17,153,986.53

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Solution

The fourth proportional to 52,169,647.49, 78,256,987.87 and 17,153,986.53 is: 25,731,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,169,647.49 : 78,256,987.87 = 17,153,986.53 : x
  2. Step 2: Convert to fraction form
    52,169,647.49/78,256,987.87 = 17,153,986.53/x
  3. Step 3: Cross multiply
    52,169,647.49x = 78,256,987.87 × 17,153,986.53
  4. Step 4: Simplify right side
    52,169,647.49x = 1,342,419,315,800,353.50
  5. Step 5: Solve for x
    x = 1,342,419,315,800,353.50/52,169,647.49
  6. Step 6: Final answer
    x = 25,731,807.29

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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.