Home / 146,528,428.58-202,209,629.32-80,453,206.61

Finding the Fourth Proportional to 146,528,428.58, 202,209,629.32 and 80,453,206.61

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Solution

The fourth proportional to 146,528,428.58, 202,209,629.32 and 80,453,206.61 is: 111,025,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,528,428.58 : 202,209,629.32 = 80,453,206.61 : x
  2. Step 2: Convert to fraction form
    146,528,428.58/202,209,629.32 = 80,453,206.61/x
  3. Step 3: Cross multiply
    146,528,428.58x = 202,209,629.32 × 80,453,206.61
  4. Step 4: Simplify right side
    146,528,428.58x = 16,268,413,085,302,992
  5. Step 5: Solve for x
    x = 16,268,413,085,302,992/146,528,428.58
  6. Step 6: Final answer
    x = 111,025,643.58

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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.