Home / 311,851,999.12-467,616,528.78-166,246,452.40

Finding the Fourth Proportional to 311,851,999.12, 467,616,528.78 and 166,246,452.40

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Solution

The fourth proportional to 311,851,999.12, 467,616,528.78 and 166,246,452.40 is: 249,283,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,851,999.12 : 467,616,528.78 = 166,246,452.40 : x
  2. Step 2: Convert to fraction form
    311,851,999.12/467,616,528.78 = 166,246,452.40/x
  3. Step 3: Cross multiply
    311,851,999.12x = 467,616,528.78 × 166,246,452.40
  4. Step 4: Simplify right side
    311,851,999.12x = 77,739,588,993,277,504
  5. Step 5: Solve for x
    x = 77,739,588,993,277,504/311,851,999.12
  6. Step 6: Final answer
    x = 249,283,599.95

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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.