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Finding the Fourth Proportional to 201,282,156.80, 301,498,082.40 and 201,282,156.80

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Solution

The fourth proportional to 201,282,156.80, 301,498,082.40 and 201,282,156.80 is: 301,498,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,282,156.80 : 301,498,082.40 = 201,282,156.80 : x
  2. Step 2: Convert to fraction form
    201,282,156.80/301,498,082.40 = 201,282,156.80/x
  3. Step 3: Cross multiply
    201,282,156.80x = 301,498,082.40 × 201,282,156.80
  4. Step 4: Simplify right side
    201,282,156.80x = 60,686,184,296,536,120
  5. Step 5: Solve for x
    x = 60,686,184,296,536,120/201,282,156.80
  6. Step 6: Final answer
    x = 301,498,082.40

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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.