Home / 189,478,760-261,495,883.68-150,641,049.92

Finding the Fourth Proportional to 189,478,760, 261,495,883.68 and 150,641,049.92

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Solution

The fourth proportional to 189,478,760, 261,495,883.68 and 150,641,049.92 is: 207,896,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,478,760 : 261,495,883.68 = 150,641,049.92 : x
  2. Step 2: Convert to fraction form
    189,478,760/261,495,883.68 = 150,641,049.92/x
  3. Step 3: Cross multiply
    189,478,760x = 261,495,883.68 × 150,641,049.92
  4. Step 4: Simplify right side
    189,478,760x = 39,392,014,467,313,392
  5. Step 5: Solve for x
    x = 39,392,014,467,313,392/189,478,760
  6. Step 6: Final answer
    x = 207,896,729.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.