Home / 122,182,665.76-168,615,587.28-74,500,717.33

Finding the Fourth Proportional to 122,182,665.76, 168,615,587.28 and 74,500,717.33

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Solution

The fourth proportional to 122,182,665.76, 168,615,587.28 and 74,500,717.33 is: 102,813,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,182,665.76 : 168,615,587.28 = 74,500,717.33 : x
  2. Step 2: Convert to fraction form
    122,182,665.76/168,615,587.28 = 74,500,717.33/x
  3. Step 3: Cross multiply
    122,182,665.76x = 168,615,587.28 × 74,500,717.33
  4. Step 4: Simplify right side
    122,182,665.76x = 12,561,982,205,379,224
  5. Step 5: Solve for x
    x = 12,561,982,205,379,224/122,182,665.76
  6. Step 6: Final answer
    x = 102,813,129.24

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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.