Home / 112,172,160.22-154,823,409.11-65,777,360.92

Finding the Fourth Proportional to 112,172,160.22, 154,823,409.11 and 65,777,360.92

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Solution

The fourth proportional to 112,172,160.22, 154,823,409.11 and 65,777,360.92 is: 90,787,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172,160.22 : 154,823,409.11 = 65,777,360.92 : x
  2. Step 2: Convert to fraction form
    112,172,160.22/154,823,409.11 = 65,777,360.92/x
  3. Step 3: Cross multiply
    112,172,160.22x = 154,823,409.11 × 65,777,360.92
  4. Step 4: Simplify right side
    112,172,160.22x = 10,183,875,259,670,672
  5. Step 5: Solve for x
    x = 10,183,875,259,670,672/112,172,160.22
  6. Step 6: Final answer
    x = 90,787,903.52

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1.5x scale

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.