Home / 199,337,540.10-299,006,310.15-122,411,127.30

Finding the Fourth Proportional to 199,337,540.10, 299,006,310.15 and 122,411,127.30

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Solution

The fourth proportional to 199,337,540.10, 299,006,310.15 and 122,411,127.30 is: 183,616,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,337,540.10 : 299,006,310.15 = 122,411,127.30 : x
  2. Step 2: Convert to fraction form
    199,337,540.10/299,006,310.15 = 122,411,127.30/x
  3. Step 3: Cross multiply
    199,337,540.10x = 299,006,310.15 × 122,411,127.30
  4. Step 4: Simplify right side
    199,337,540.10x = 36,601,699,495,274,928
  5. Step 5: Solve for x
    x = 36,601,699,495,274,928/199,337,540.10
  6. Step 6: Final answer
    x = 183,616,690.95

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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.