Home / 64,638,105.20-96,957,157.80-21,508,715.60

Finding the Fourth Proportional to 64,638,105.20, 96,957,157.80 and 21,508,715.60

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Solution

The fourth proportional to 64,638,105.20, 96,957,157.80 and 21,508,715.60 is: 32,263,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,638,105.20 : 96,957,157.80 = 21,508,715.60 : x
  2. Step 2: Convert to fraction form
    64,638,105.20/96,957,157.80 = 21,508,715.60/x
  3. Step 3: Cross multiply
    64,638,105.20x = 96,957,157.80 × 21,508,715.60
  4. Step 4: Simplify right side
    64,638,105.20x = 2,085,423,932,504,521.75
  5. Step 5: Solve for x
    x = 2,085,423,932,504,521.75/64,638,105.20
  6. Step 6: Final answer
    x = 32,263,073.40

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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.