Home / 168,616,505.76-232,562,394.72-145,135,007.52

Finding the Fourth Proportional to 168,616,505.76, 232,562,394.72 and 145,135,007.52

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Solution

The fourth proportional to 168,616,505.76, 232,562,394.72 and 145,135,007.52 is: 200,175,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,616,505.76 : 232,562,394.72 = 145,135,007.52 : x
  2. Step 2: Convert to fraction form
    168,616,505.76/232,562,394.72 = 145,135,007.52/x
  3. Step 3: Cross multiply
    168,616,505.76x = 232,562,394.72 × 145,135,007.52
  4. Step 4: Simplify right side
    168,616,505.76x = 33,752,944,906,556,412
  5. Step 5: Solve for x
    x = 33,752,944,906,556,412/168,616,505.76
  6. Step 6: Final answer
    x = 200,175,805.77

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1.5x scale

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.