Home / 429,215,532.20-643,823,298.30-106,099,404.20

Finding the Fourth Proportional to 429,215,532.20, 643,823,298.30 and 106,099,404.20

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Solution

The fourth proportional to 429,215,532.20, 643,823,298.30 and 106,099,404.20 is: 159,149,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,215,532.20 : 643,823,298.30 = 106,099,404.20 : x
  2. Step 2: Convert to fraction form
    429,215,532.20/643,823,298.30 = 106,099,404.20/x
  3. Step 3: Cross multiply
    429,215,532.20x = 643,823,298.30 × 106,099,404.20
  4. Step 4: Simplify right side
    429,215,532.20x = 68,309,268,359,708,872
  5. Step 5: Solve for x
    x = 68,309,268,359,708,872/429,215,532.20
  6. Step 6: Final answer
    x = 159,149,106.30

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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.