Home / 64,281,650.82-96,448,023.52-20,569,142.64

Finding the Fourth Proportional to 64,281,650.82, 96,448,023.52 and 20,569,142.64

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Solution

The fourth proportional to 64,281,650.82, 96,448,023.52 and 20,569,142.64 is: 30,861,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,281,650.82 : 96,448,023.52 = 20,569,142.64 : x
  2. Step 2: Convert to fraction form
    64,281,650.82/96,448,023.52 = 20,569,142.64/x
  3. Step 3: Cross multiply
    64,281,650.82x = 96,448,023.52 × 20,569,142.64
  4. Step 4: Simplify right side
    64,281,650.82x = 1,983,853,153,128,954.75
  5. Step 5: Solve for x
    x = 1,983,853,153,128,954.75/64,281,650.82
  6. Step 6: Final answer
    x = 30,861,888.70

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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.