Home / 170,644,883.51-235,422,932.55-99,105,586.41

Finding the Fourth Proportional to 170,644,883.51, 235,422,932.55 and 99,105,586.41

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Solution

The fourth proportional to 170,644,883.51, 235,422,932.55 and 99,105,586.41 is: 136,726,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,644,883.51 : 235,422,932.55 = 99,105,586.41 : x
  2. Step 2: Convert to fraction form
    170,644,883.51/235,422,932.55 = 99,105,586.41/x
  3. Step 3: Cross multiply
    170,644,883.51x = 235,422,932.55 × 99,105,586.41
  4. Step 4: Simplify right side
    170,644,883.51x = 23,331,727,784,729,628
  5. Step 5: Solve for x
    x = 23,331,727,784,729,628/170,644,883.51
  6. Step 6: Final answer
    x = 136,726,793.71

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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.