Home / 134,680,920.48-185,859,725.31-72,801,258.84

Finding the Fourth Proportional to 134,680,920.48, 185,859,725.31 and 72,801,258.84

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Solution

The fourth proportional to 134,680,920.48, 185,859,725.31 and 72,801,258.84 is: 100,465,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680,920.48 : 185,859,725.31 = 72,801,258.84 : x
  2. Step 2: Convert to fraction form
    134,680,920.48/185,859,725.31 = 72,801,258.84/x
  3. Step 3: Cross multiply
    134,680,920.48x = 185,859,725.31 × 72,801,258.84
  4. Step 4: Simplify right side
    134,680,920.48x = 13,530,821,970,224,610
  5. Step 5: Solve for x
    x = 13,530,821,970,224,610/134,680,920.48
  6. Step 6: Final answer
    x = 100,465,766.95

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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.