Home / 257,906,019.60-386,859,029.40-166,073,014.80

Finding the Fourth Proportional to 257,906,019.60, 386,859,029.40 and 166,073,014.80

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Solution

The fourth proportional to 257,906,019.60, 386,859,029.40 and 166,073,014.80 is: 249,109,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,906,019.60 : 386,859,029.40 = 166,073,014.80 : x
  2. Step 2: Convert to fraction form
    257,906,019.60/386,859,029.40 = 166,073,014.80/x
  3. Step 3: Cross multiply
    257,906,019.60x = 386,859,029.40 × 166,073,014.80
  4. Step 4: Simplify right side
    257,906,019.60x = 64,246,845,315,059,832
  5. Step 5: Solve for x
    x = 64,246,845,315,059,832/257,906,019.60
  6. Step 6: Final answer
    x = 249,109,522.20

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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.