Home / 357,667,939.28-536,119,951.80-203,983,075.28

Finding the Fourth Proportional to 357,667,939.28, 536,119,951.80 and 203,983,075.28

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Solution

The fourth proportional to 357,667,939.28, 536,119,951.80 and 203,983,075.28 is: 305,756,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,667,939.28 : 536,119,951.80 = 203,983,075.28 : x
  2. Step 2: Convert to fraction form
    357,667,939.28/536,119,951.80 = 203,983,075.28/x
  3. Step 3: Cross multiply
    357,667,939.28x = 536,119,951.80 × 203,983,075.28
  4. Step 4: Simplify right side
    357,667,939.28x = 109,359,396,487,129,376
  5. Step 5: Solve for x
    x = 109,359,396,487,129,376/357,667,939.28
  6. Step 6: Final answer
    x = 305,756,777.38

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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.