Home / 171,863,908.36-257,793,338.40-42,471,515

Finding the Fourth Proportional to 171,863,908.36, 257,793,338.40 and 42,471,515

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Solution

The fourth proportional to 171,863,908.36, 257,793,338.40 and 42,471,515 is: 63,706,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,863,908.36 : 257,793,338.40 = 42,471,515 : x
  2. Step 2: Convert to fraction form
    171,863,908.36/257,793,338.40 = 42,471,515/x
  3. Step 3: Cross multiply
    171,863,908.36x = 257,793,338.40 × 42,471,515
  4. Step 4: Simplify right side
    171,863,908.36x = 10,948,873,638,755,676
  5. Step 5: Solve for x
    x = 10,948,873,638,755,676/171,863,908.36
  6. Step 6: Final answer
    x = 63,706,648.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.