Home / 53,307,986.50-79,970,572.08-16,419,859.32

Finding the Fourth Proportional to 53,307,986.50, 79,970,572.08 and 16,419,859.32

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Solution

The fourth proportional to 53,307,986.50, 79,970,572.08 and 16,419,859.32 is: 24,632,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,307,986.50 : 79,970,572.08 = 16,419,859.32 : x
  2. Step 2: Convert to fraction form
    53,307,986.50/79,970,572.08 = 16,419,859.32/x
  3. Step 3: Cross multiply
    53,307,986.50x = 79,970,572.08 × 16,419,859.32
  4. Step 4: Simplify right side
    53,307,986.50x = 1,313,105,543,368,452.25
  5. Step 5: Solve for x
    x = 1,313,105,543,368,452.25/53,307,986.50
  6. Step 6: Final answer
    x = 24,632,435.58

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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.