Home / 171,679,575.90-257,519,363.85-164,983,419.30

Finding the Fourth Proportional to 171,679,575.90, 257,519,363.85 and 164,983,419.30

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Solution

The fourth proportional to 171,679,575.90, 257,519,363.85 and 164,983,419.30 is: 247,475,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,679,575.90 : 257,519,363.85 = 164,983,419.30 : x
  2. Step 2: Convert to fraction form
    171,679,575.90/257,519,363.85 = 164,983,419.30/x
  3. Step 3: Cross multiply
    171,679,575.90x = 257,519,363.85 × 164,983,419.30
  4. Step 4: Simplify right side
    171,679,575.90x = 42,486,425,183,933,816
  5. Step 5: Solve for x
    x = 42,486,425,183,933,816/171,679,575.90
  6. Step 6: Final answer
    x = 247,475,128.95

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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.