Home / 168,409,733.53-232,632,901.81-126,907,512.57

Finding the Fourth Proportional to 168,409,733.53, 232,632,901.81 and 126,907,512.57

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Solution

The fourth proportional to 168,409,733.53, 232,632,901.81 and 126,907,512.57 is: 175,303,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,409,733.53 : 232,632,901.81 = 126,907,512.57 : x
  2. Step 2: Convert to fraction form
    168,409,733.53/232,632,901.81 = 126,907,512.57/x
  3. Step 3: Cross multiply
    168,409,733.53x = 232,632,901.81 × 126,907,512.57
  4. Step 4: Simplify right side
    168,409,733.53x = 29,522,862,910,013,612
  5. Step 5: Solve for x
    x = 29,522,862,910,013,612/168,409,733.53
  6. Step 6: Final answer
    x = 175,303,780.20

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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.