Home / 163,647,463.24-225,838,287.12-89,312,791.54

Finding the Fourth Proportional to 163,647,463.24, 225,838,287.12 and 89,312,791.54

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Solution

The fourth proportional to 163,647,463.24, 225,838,287.12 and 89,312,791.54 is: 123,254,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,463.24 : 225,838,287.12 = 89,312,791.54 : x
  2. Step 2: Convert to fraction form
    163,647,463.24/225,838,287.12 = 89,312,791.54/x
  3. Step 3: Cross multiply
    163,647,463.24x = 225,838,287.12 × 89,312,791.54
  4. Step 4: Simplify right side
    163,647,463.24x = 20,170,247,859,299,228
  5. Step 5: Solve for x
    x = 20,170,247,859,299,228/163,647,463.24
  6. Step 6: Final answer
    x = 123,254,265.36

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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.