Home / 276,438,212.08-381,482,221.18-150,990,381.90

Finding the Fourth Proportional to 276,438,212.08, 381,482,221.18 and 150,990,381.90

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Solution

The fourth proportional to 276,438,212.08, 381,482,221.18 and 150,990,381.90 is: 208,365,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,438,212.08 : 381,482,221.18 = 150,990,381.90 : x
  2. Step 2: Convert to fraction form
    276,438,212.08/381,482,221.18 = 150,990,381.90/x
  3. Step 3: Cross multiply
    276,438,212.08x = 381,482,221.18 × 150,990,381.90
  4. Step 4: Simplify right side
    276,438,212.08x = 57,600,146,264,028,472
  5. Step 5: Solve for x
    x = 57,600,146,264,028,472/276,438,212.08
  6. Step 6: Final answer
    x = 208,365,355.25

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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.