Home / 104,969,894.61-157,436,896.36-28,274,986.71

Finding the Fourth Proportional to 104,969,894.61, 157,436,896.36 and 28,274,986.71

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Solution

The fourth proportional to 104,969,894.61, 157,436,896.36 and 28,274,986.71 is: 42,407,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969,894.61 : 157,436,896.36 = 28,274,986.71 : x
  2. Step 2: Convert to fraction form
    104,969,894.61/157,436,896.36 = 28,274,986.71/x
  3. Step 3: Cross multiply
    104,969,894.61x = 157,436,896.36 × 28,274,986.71
  4. Step 4: Simplify right side
    104,969,894.61x = 4,451,526,151,384,775
  5. Step 5: Solve for x
    x = 4,451,526,151,384,775/104,969,894.61
  6. Step 6: Final answer
    x = 42,407,646.19

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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.