Home / 64,391,321.52-96,589,972.80-20,673,864

Finding the Fourth Proportional to 64,391,321.52, 96,589,972.80 and 20,673,864

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Solution

The fourth proportional to 64,391,321.52, 96,589,972.80 and 20,673,864 is: 31,011,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391,321.52 : 96,589,972.80 = 20,673,864 : x
  2. Step 2: Convert to fraction form
    64,391,321.52/96,589,972.80 = 20,673,864/x
  3. Step 3: Cross multiply
    64,391,321.52x = 96,589,972.80 × 20,673,864
  4. Step 4: Simplify right side
    64,391,321.52x = 1,996,887,961,430,899.25
  5. Step 5: Solve for x
    x = 1,996,887,961,430,899.25/64,391,321.52
  6. Step 6: Final answer
    x = 31,011,756.15

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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.