Home / 146,528,436.39-202,209,640.10-80,453,214.42

Finding the Fourth Proportional to 146,528,436.39, 202,209,640.10 and 80,453,214.42

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Solution

The fourth proportional to 146,528,436.39, 202,209,640.10 and 80,453,214.42 is: 111,025,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,528,436.39 : 202,209,640.10 = 80,453,214.42 : x
  2. Step 2: Convert to fraction form
    146,528,436.39/202,209,640.10 = 80,453,214.42/x
  3. Step 3: Cross multiply
    146,528,436.39x = 202,209,640.10 × 80,453,214.42
  4. Step 4: Simplify right side
    146,528,436.39x = 16,268,415,532,756,330
  5. Step 5: Solve for x
    x = 16,268,415,532,756,330/146,528,436.39
  6. Step 6: Final answer
    x = 111,025,654.36

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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.