Home / 171,680,015.40-257,520,023.10-164,983,858.80

Finding the Fourth Proportional to 171,680,015.40, 257,520,023.10 and 164,983,858.80

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Solution

The fourth proportional to 171,680,015.40, 257,520,023.10 and 164,983,858.80 is: 247,475,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,680,015.40 : 257,520,023.10 = 164,983,858.80 : x
  2. Step 2: Convert to fraction form
    171,680,015.40/257,520,023.10 = 164,983,858.80/x
  3. Step 3: Cross multiply
    171,680,015.40x = 257,520,023.10 × 164,983,858.80
  4. Step 4: Simplify right side
    171,680,015.40x = 42,486,647,129,303,144
  5. Step 5: Solve for x
    x = 42,486,647,129,303,144/171,680,015.40
  6. Step 6: Final answer
    x = 247,475,788.20

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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.