Home / 257,924,851.20-386,887,276.80-171,831,409.20

Finding the Fourth Proportional to 257,924,851.20, 386,887,276.80 and 171,831,409.20

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Solution

The fourth proportional to 257,924,851.20, 386,887,276.80 and 171,831,409.20 is: 257,747,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,924,851.20 : 386,887,276.80 = 171,831,409.20 : x
  2. Step 2: Convert to fraction form
    257,924,851.20/386,887,276.80 = 171,831,409.20/x
  3. Step 3: Cross multiply
    257,924,851.20x = 386,887,276.80 × 171,831,409.20
  4. Step 4: Simplify right side
    257,924,851.20x = 66,479,385,974,094,464
  5. Step 5: Solve for x
    x = 66,479,385,974,094,464/257,924,851.20
  6. Step 6: Final answer
    x = 257,747,113.80

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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.