Home / 112,192,628.76-154,867,143.42-67,540,677.03

Finding the Fourth Proportional to 112,192,628.76, 154,867,143.42 and 67,540,677.03

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Solution

The fourth proportional to 112,192,628.76, 154,867,143.42 and 67,540,677.03 is: 93,231,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,192,628.76 : 154,867,143.42 = 67,540,677.03 : x
  2. Step 2: Convert to fraction form
    112,192,628.76/154,867,143.42 = 67,540,677.03/x
  3. Step 3: Cross multiply
    112,192,628.76x = 154,867,143.42 × 67,540,677.03
  4. Step 4: Simplify right side
    112,192,628.76x = 10,459,831,716,288,908
  5. Step 5: Solve for x
    x = 10,459,831,716,288,908/112,192,628.76
  6. Step 6: Final answer
    x = 93,231,006.63

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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.