Home / 163,647,463.66-225,838,287.62-89,312,791.93

Finding the Fourth Proportional to 163,647,463.66, 225,838,287.62 and 89,312,791.93

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Solution

The fourth proportional to 163,647,463.66, 225,838,287.62 and 89,312,791.93 is: 123,254,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,647,463.66 : 225,838,287.62 = 89,312,791.93 : x
  2. Step 2: Convert to fraction form
    163,647,463.66/225,838,287.62 = 89,312,791.93/x
  3. Step 3: Cross multiply
    163,647,463.66x = 225,838,287.62 × 89,312,791.93
  4. Step 4: Simplify right side
    163,647,463.66x = 20,170,247,992,032,556
  5. Step 5: Solve for x
    x = 20,170,247,992,032,556/163,647,463.66
  6. Step 6: Final answer
    x = 123,254,265.85

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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.