Home / 276,543,025.70-381,624,860.90-151,092,521.91

Finding the Fourth Proportional to 276,543,025.70, 381,624,860.90 and 151,092,521.91

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Solution

The fourth proportional to 276,543,025.70, 381,624,860.90 and 151,092,521.91 is: 208,505,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,543,025.70 : 381,624,860.90 = 151,092,521.91 : x
  2. Step 2: Convert to fraction form
    276,543,025.70/381,624,860.90 = 151,092,521.91/x
  3. Step 3: Cross multiply
    276,543,025.70x = 381,624,860.90 × 151,092,521.91
  4. Step 4: Simplify right side
    276,543,025.70x = 57,660,662,657,311,680
  5. Step 5: Solve for x
    x = 57,660,662,657,311,680/276,543,025.70
  6. Step 6: Final answer
    x = 208,505,213.65

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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.