Home / 112,278,436.80-168,480,640.80-47,571,230.40

Finding the Fourth Proportional to 112,278,436.80, 168,480,640.80 and 47,571,230.40

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Solution

The fourth proportional to 112,278,436.80, 168,480,640.80 and 47,571,230.40 is: 71,383,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,278,436.80 : 168,480,640.80 = 47,571,230.40 : x
  2. Step 2: Convert to fraction form
    112,278,436.80/168,480,640.80 = 47,571,230.40/x
  3. Step 3: Cross multiply
    112,278,436.80x = 168,480,640.80 × 47,571,230.40
  4. Step 4: Simplify right side
    112,278,436.80x = 8,014,831,381,436,441
  5. Step 5: Solve for x
    x = 8,014,831,381,436,441/112,278,436.80
  6. Step 6: Final answer
    x = 71,383,531.96

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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.