Home / 254,964,912.40-382,163,933.40-140,031,938.80

Finding the Fourth Proportional to 254,964,912.40, 382,163,933.40 and 140,031,938.80

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Solution

The fourth proportional to 254,964,912.40, 382,163,933.40 and 140,031,938.80 is: 209,892,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,964,912.40 : 382,163,933.40 = 140,031,938.80 : x
  2. Step 2: Convert to fraction form
    254,964,912.40/382,163,933.40 = 140,031,938.80/x
  3. Step 3: Cross multiply
    254,964,912.40x = 382,163,933.40 × 140,031,938.80
  4. Step 4: Simplify right side
    254,964,912.40x = 53,515,156,533,436,080
  5. Step 5: Solve for x
    x = 53,515,156,533,436,080/254,964,912.40
  6. Step 6: Final answer
    x = 209,892,239.80

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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.