Home / 31,102,186.82-42,921,036.09-17,351,150.98

Finding the Fourth Proportional to 31,102,186.82, 42,921,036.09 and 17,351,150.98

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Solution

The fourth proportional to 31,102,186.82, 42,921,036.09 and 17,351,150.98 is: 23,944,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,102,186.82 : 42,921,036.09 = 17,351,150.98 : x
  2. Step 2: Convert to fraction form
    31,102,186.82/42,921,036.09 = 17,351,150.98/x
  3. Step 3: Cross multiply
    31,102,186.82x = 42,921,036.09 × 17,351,150.98
  4. Step 4: Simplify right side
    31,102,186.82x = 744,729,377,415,619
  5. Step 5: Solve for x
    x = 744,729,377,415,619/31,102,186.82
  6. Step 6: Final answer
    x = 23,944,598.55

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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.