Home / 197,398,017.20-272,413,419.89-108,093,711.98

Finding the Fourth Proportional to 197,398,017.20, 272,413,419.89 and 108,093,711.98

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Solution

The fourth proportional to 197,398,017.20, 272,413,419.89 and 108,093,711.98 is: 149,171,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,398,017.20 : 272,413,419.89 = 108,093,711.98 : x
  2. Step 2: Convert to fraction form
    197,398,017.20/272,413,419.89 = 108,093,711.98/x
  3. Step 3: Cross multiply
    197,398,017.20x = 272,413,419.89 × 108,093,711.98
  4. Step 4: Simplify right side
    197,398,017.20x = 29,446,177,747,173,924
  5. Step 5: Solve for x
    x = 29,446,177,747,173,924/197,398,017.20
  6. Step 6: Final answer
    x = 149,171,598.41

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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.