Home / 112,556,914,623.48-155,328,542,180.39-64,384,957,854.92

Finding the Fourth Proportional to 112,556,914,623.48, 155,328,542,180.39 and 64,384,957,854.92

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Solution

The fourth proportional to 112,556,914,623.48, 155,328,542,180.39 and 64,384,957,854.92 is: 88,851,241,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,556,914,623.48 : 155,328,542,180.39 = 64,384,957,854.92 : x
  2. Step 2: Convert to fraction form
    112,556,914,623.48/155,328,542,180.39 = 64,384,957,854.92/x
  3. Step 3: Cross multiply
    112,556,914,623.48x = 155,328,542,180.39 × 64,384,957,854.92
  4. Step 4: Simplify right side
    112,556,914,623.48x = 10,000,821,641,949,797,679,104
  5. Step 5: Solve for x
    x = 10,000,821,641,949,797,679,104/112,556,914,623.48
  6. Step 6: Final answer
    x = 88,851,241,839.78

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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.