Home / 189,551,999.70-284,327,999.55-158,940,998.10

Finding the Fourth Proportional to 189,551,999.70, 284,327,999.55 and 158,940,998.10

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Solution

The fourth proportional to 189,551,999.70, 284,327,999.55 and 158,940,998.10 is: 238,411,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,551,999.70 : 284,327,999.55 = 158,940,998.10 : x
  2. Step 2: Convert to fraction form
    189,551,999.70/284,327,999.55 = 158,940,998.10/x
  3. Step 3: Cross multiply
    189,551,999.70x = 284,327,999.55 × 158,940,998.10
  4. Step 4: Simplify right side
    189,551,999.70x = 45,191,376,036,253,352
  5. Step 5: Solve for x
    x = 45,191,376,036,253,352/189,551,999.70
  6. Step 6: Final answer
    x = 238,411,497.15

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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.