Home / 112,172,161.73-154,823,411.19-65,777,362.43

Finding the Fourth Proportional to 112,172,161.73, 154,823,411.19 and 65,777,362.43

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Solution

The fourth proportional to 112,172,161.73, 154,823,411.19 and 65,777,362.43 is: 90,787,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172,161.73 : 154,823,411.19 = 65,777,362.43 : x
  2. Step 2: Convert to fraction form
    112,172,161.73/154,823,411.19 = 65,777,362.43/x
  3. Step 3: Cross multiply
    112,172,161.73x = 154,823,411.19 × 65,777,362.43
  4. Step 4: Simplify right side
    112,172,161.73x = 10,183,875,629,719,430
  5. Step 5: Solve for x
    x = 10,183,875,629,719,430/112,172,161.73
  6. Step 6: Final answer
    x = 90,787,905.60

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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.