Home / 109,467,587.16-163,923,456.78-65,721,135.51

Finding the Fourth Proportional to 109,467,587.16, 163,923,456.78 and 65,721,135.51

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Solution

The fourth proportional to 109,467,587.16, 163,923,456.78 and 65,721,135.51 is: 98,414,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,467,587.16 : 163,923,456.78 = 65,721,135.51 : x
  2. Step 2: Convert to fraction form
    109,467,587.16/163,923,456.78 = 65,721,135.51/x
  3. Step 3: Cross multiply
    109,467,587.16x = 163,923,456.78 × 65,721,135.51
  4. Step 4: Simplify right side
    109,467,587.16x = 10,773,235,716,306,008
  5. Step 5: Solve for x
    x = 10,773,235,716,306,008/109,467,587.16
  6. Step 6: Final answer
    x = 98,414,845.85

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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.