Home / 163,262,608.78-225,302,392.11-89,923,754.38

Finding the Fourth Proportional to 163,262,608.78, 225,302,392.11 and 89,923,754.38

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Solution

The fourth proportional to 163,262,608.78, 225,302,392.11 and 89,923,754.38 is: 124,094,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,262,608.78 : 225,302,392.11 = 89,923,754.38 : x
  2. Step 2: Convert to fraction form
    163,262,608.78/225,302,392.11 = 89,923,754.38/x
  3. Step 3: Cross multiply
    163,262,608.78x = 225,302,392.11 × 89,923,754.38
  4. Step 4: Simplify right side
    163,262,608.78x = 20,260,036,969,326,092
  5. Step 5: Solve for x
    x = 20,260,036,969,326,092/163,262,608.78
  6. Step 6: Final answer
    x = 124,094,776.63

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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.