Home / 170,735,235.45-256,085,617.68-115,756,081.13

Finding the Fourth Proportional to 170,735,235.45, 256,085,617.68 and 115,756,081.13

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Solution

The fourth proportional to 170,735,235.45, 256,085,617.68 and 115,756,081.13 is: 173,622,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,735,235.45 : 256,085,617.68 = 115,756,081.13 : x
  2. Step 2: Convert to fraction form
    170,735,235.45/256,085,617.68 = 115,756,081.13/x
  3. Step 3: Cross multiply
    170,735,235.45x = 256,085,617.68 × 115,756,081.13
  4. Step 4: Simplify right side
    170,735,235.45x = 29,643,467,535,111,816
  5. Step 5: Solve for x
    x = 29,643,467,535,111,816/170,735,235.45
  6. Step 6: Final answer
    x = 173,622,436.27

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1.5x scale

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.