Home / 168,458,680.80-252,688,021.20-114,039,122.40

Finding the Fourth Proportional to 168,458,680.80, 252,688,021.20 and 114,039,122.40

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Solution

The fourth proportional to 168,458,680.80, 252,688,021.20 and 114,039,122.40 is: 171,058,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,458,680.80 : 252,688,021.20 = 114,039,122.40 : x
  2. Step 2: Convert to fraction form
    168,458,680.80/252,688,021.20 = 114,039,122.40/x
  3. Step 3: Cross multiply
    168,458,680.80x = 252,688,021.20 × 114,039,122.40
  4. Step 4: Simplify right side
    168,458,680.80x = 28,816,320,178,640,596
  5. Step 5: Solve for x
    x = 28,816,320,178,640,596/168,458,680.80
  6. Step 6: Final answer
    x = 171,058,683.60

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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.