Home / 208,032,138.60-311,451,011.10-202,060,170.60

Finding the Fourth Proportional to 208,032,138.60, 311,451,011.10 and 202,060,170.60

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Solution

The fourth proportional to 208,032,138.60, 311,451,011.10 and 202,060,170.60 is: 302,510,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,032,138.60 : 311,451,011.10 = 202,060,170.60 : x
  2. Step 2: Convert to fraction form
    208,032,138.60/311,451,011.10 = 202,060,170.60/x
  3. Step 3: Cross multiply
    208,032,138.60x = 311,451,011.10 × 202,060,170.60
  4. Step 4: Simplify right side
    208,032,138.60x = 62,931,844,436,408,496
  5. Step 5: Solve for x
    x = 62,931,844,436,408,496/208,032,138.60
  6. Step 6: Final answer
    x = 302,510,202.80

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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.