Home / 64,616,519.88-96,925,618.98-21,485,721.42

Finding the Fourth Proportional to 64,616,519.88, 96,925,618.98 and 21,485,721.42

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Solution

The fourth proportional to 64,616,519.88, 96,925,618.98 and 21,485,721.42 is: 32,228,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,616,519.88 : 96,925,618.98 = 21,485,721.42 : x
  2. Step 2: Convert to fraction form
    64,616,519.88/96,925,618.98 = 21,485,721.42/x
  3. Step 3: Cross multiply
    64,616,519.88x = 96,925,618.98 × 21,485,721.42
  4. Step 4: Simplify right side
    64,616,519.88x = 2,082,516,847,865,344.75
  5. Step 5: Solve for x
    x = 2,082,516,847,865,344.75/64,616,519.88
  6. Step 6: Final answer
    x = 32,228,861.16

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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.