Home / 218,593,933.55-328,016,871.53-82,377,075.95

Finding the Fourth Proportional to 218,593,933.55, 328,016,871.53 and 82,377,075.95

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Solution

The fourth proportional to 218,593,933.55, 328,016,871.53 and 82,377,075.95 is: 123,613,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,593,933.55 : 328,016,871.53 = 82,377,075.95 : x
  2. Step 2: Convert to fraction form
    218,593,933.55/328,016,871.53 = 82,377,075.95/x
  3. Step 3: Cross multiply
    218,593,933.55x = 328,016,871.53 × 82,377,075.95
  4. Step 4: Simplify right side
    218,593,933.55x = 27,021,070,738,908,200
  5. Step 5: Solve for x
    x = 27,021,070,738,908,200/218,593,933.55
  6. Step 6: Final answer
    x = 123,613,086.15

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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.