Home / 43,015,910.10-64,523,865.15-21,516,825.30

Finding the Fourth Proportional to 43,015,910.10, 64,523,865.15 and 21,516,825.30

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Solution

The fourth proportional to 43,015,910.10, 64,523,865.15 and 21,516,825.30 is: 32,275,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,015,910.10 : 64,523,865.15 = 21,516,825.30 : x
  2. Step 2: Convert to fraction form
    43,015,910.10/64,523,865.15 = 21,516,825.30/x
  3. Step 3: Cross multiply
    43,015,910.10x = 64,523,865.15 × 21,516,825.30
  4. Step 4: Simplify right side
    43,015,910.10x = 1,388,348,734,113,308.25
  5. Step 5: Solve for x
    x = 1,388,348,734,113,308.25/43,015,910.10
  6. Step 6: Final answer
    x = 32,275,237.95

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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.