Home / 189,551,997.70-284,327,996.55-155,114,620.90

Finding the Fourth Proportional to 189,551,997.70, 284,327,996.55 and 155,114,620.90

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Solution

The fourth proportional to 189,551,997.70, 284,327,996.55 and 155,114,620.90 is: 232,671,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,551,997.70 : 284,327,996.55 = 155,114,620.90 : x
  2. Step 2: Convert to fraction form
    189,551,997.70/284,327,996.55 = 155,114,620.90/x
  3. Step 3: Cross multiply
    189,551,997.70x = 284,327,996.55 × 155,114,620.90
  4. Step 4: Simplify right side
    189,551,997.70x = 44,103,429,396,109,760
  5. Step 5: Solve for x
    x = 44,103,429,396,109,760/189,551,997.70
  6. Step 6: Final answer
    x = 232,671,931.35

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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.