Home / 99,164,512.20-148,746,768.30-89,120,277.30

Finding the Fourth Proportional to 99,164,512.20, 148,746,768.30 and 89,120,277.30

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Solution

The fourth proportional to 99,164,512.20, 148,746,768.30 and 89,120,277.30 is: 133,680,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164,512.20 : 148,746,768.30 = 89,120,277.30 : x
  2. Step 2: Convert to fraction form
    99,164,512.20/148,746,768.30 = 89,120,277.30/x
  3. Step 3: Cross multiply
    99,164,512.20x = 148,746,768.30 × 89,120,277.30
  4. Step 4: Simplify right side
    99,164,512.20x = 13,256,353,238,374,850
  5. Step 5: Solve for x
    x = 13,256,353,238,374,850/99,164,512.20
  6. Step 6: Final answer
    x = 133,680,415.95

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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.