Home / 216,875,952.80-325,311,855.60-53,114,429.60

Finding the Fourth Proportional to 216,875,952.80, 325,311,855.60 and 53,114,429.60

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Solution

The fourth proportional to 216,875,952.80, 325,311,855.60 and 53,114,429.60 is: 79,671,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,875,952.80 : 325,311,855.60 = 53,114,429.60 : x
  2. Step 2: Convert to fraction form
    216,875,952.80/325,311,855.60 = 53,114,429.60/x
  3. Step 3: Cross multiply
    216,875,952.80x = 325,311,855.60 × 53,114,429.60
  4. Step 4: Simplify right side
    216,875,952.80x = 17,278,753,652,311,568
  5. Step 5: Solve for x
    x = 17,278,753,652,311,568/216,875,952.80
  6. Step 6: Final answer
    x = 79,671,136.56

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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.