Home / 65,002,681.20-97,504,021.80-21,857,545.20

Finding the Fourth Proportional to 65,002,681.20, 97,504,021.80 and 21,857,545.20

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Solution

The fourth proportional to 65,002,681.20, 97,504,021.80 and 21,857,545.20 is: 32,786,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,002,681.20 : 97,504,021.80 = 21,857,545.20 : x
  2. Step 2: Convert to fraction form
    65,002,681.20/97,504,021.80 = 21,857,545.20/x
  3. Step 3: Cross multiply
    65,002,681.20x = 97,504,021.80 × 21,857,545.20
  4. Step 4: Simplify right side
    65,002,681.20x = 2,131,198,563,675,285.25
  5. Step 5: Solve for x
    x = 2,131,198,563,675,285.25/65,002,681.20
  6. Step 6: Final answer
    x = 32,786,317.80

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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.