Home / 171,072,069.20-256,608,103.80-166,033,221.20

Finding the Fourth Proportional to 171,072,069.20, 256,608,103.80 and 166,033,221.20

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Solution

The fourth proportional to 171,072,069.20, 256,608,103.80 and 166,033,221.20 is: 249,049,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,069.20 : 256,608,103.80 = 166,033,221.20 : x
  2. Step 2: Convert to fraction form
    171,072,069.20/256,608,103.80 = 166,033,221.20/x
  3. Step 3: Cross multiply
    171,072,069.20x = 256,608,103.80 × 166,033,221.20
  4. Step 4: Simplify right side
    171,072,069.20x = 42,605,470,059,937,960
  5. Step 5: Solve for x
    x = 42,605,470,059,937,960/171,072,069.20
  6. Step 6: Final answer
    x = 249,049,831.80

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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.