Home / 31,102,176.32-42,921,021.60-17,351,140.48

Finding the Fourth Proportional to 31,102,176.32, 42,921,021.60 and 17,351,140.48

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Solution

The fourth proportional to 31,102,176.32, 42,921,021.60 and 17,351,140.48 is: 23,944,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,176.32 : 42,921,021.60 = 17,351,140.48 : x
  2. Step 2: Convert to fraction form
    31,102,176.32/42,921,021.60 = 17,351,140.48/x
  3. Step 3: Cross multiply
    31,102,176.32x = 42,921,021.60 × 17,351,140.48
  4. Step 4: Simplify right side
    31,102,176.32x = 744,728,675,326,714.38
  5. Step 5: Solve for x
    x = 744,728,675,326,714.38/31,102,176.32
  6. Step 6: Final answer
    x = 23,944,584.06

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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.