Home / 276,776,109.54-381,951,715.14-151,336,408.86

Finding the Fourth Proportional to 276,776,109.54, 381,951,715.14 and 151,336,408.86

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Solution

The fourth proportional to 276,776,109.54, 381,951,715.14 and 151,336,408.86 is: 208,844,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,776,109.54 : 381,951,715.14 = 151,336,408.86 : x
  2. Step 2: Convert to fraction form
    276,776,109.54/381,951,715.14 = 151,336,408.86/x
  3. Step 3: Cross multiply
    276,776,109.54x = 381,951,715.14 × 151,336,408.86
  4. Step 4: Simplify right side
    276,776,109.54x = 57,803,200,927,205,296
  5. Step 5: Solve for x
    x = 57,803,200,927,205,296/276,776,109.54
  6. Step 6: Final answer
    x = 208,844,618.21

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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.