Home / 64,202,830.88-96,284,016.14-21,061,981.40

Finding the Fourth Proportional to 64,202,830.88, 96,284,016.14 and 21,061,981.40

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Solution

The fourth proportional to 64,202,830.88, 96,284,016.14 and 21,061,981.40 is: 31,586,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,202,830.88 : 96,284,016.14 = 21,061,981.40 : x
  2. Step 2: Convert to fraction form
    64,202,830.88/96,284,016.14 = 21,061,981.40/x
  3. Step 3: Cross multiply
    64,202,830.88x = 96,284,016.14 × 21,061,981.40
  4. Step 4: Simplify right side
    64,202,830.88x = 2,027,932,156,471,250
  5. Step 5: Solve for x
    x = 2,027,932,156,471,250/64,202,830.88
  6. Step 6: Final answer
    x = 31,586,335.51

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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.