Home / 279,527,880.03-385,765,732.83-154,079,793.02

Finding the Fourth Proportional to 279,527,880.03, 385,765,732.83 and 154,079,793.02

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Solution

The fourth proportional to 279,527,880.03, 385,765,732.83 and 154,079,793.02 is: 212,639,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,527,880.03 : 385,765,732.83 = 154,079,793.02 : x
  2. Step 2: Convert to fraction form
    279,527,880.03/385,765,732.83 = 154,079,793.02/x
  3. Step 3: Cross multiply
    279,527,880.03x = 385,765,732.83 × 154,079,793.02
  4. Step 4: Simplify right side
    279,527,880.03x = 59,438,704,267,157,896
  5. Step 5: Solve for x
    x = 59,438,704,267,157,896/279,527,880.03
  6. Step 6: Final answer
    x = 212,639,627.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.