Home / 276,574,564.40-381,672,115.32-152,814,359.84

Finding the Fourth Proportional to 276,574,564.40, 381,672,115.32 and 152,814,359.84

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Solution

The fourth proportional to 276,574,564.40, 381,672,115.32 and 152,814,359.84 is: 210,883,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,574,564.40 : 381,672,115.32 = 152,814,359.84 : x
  2. Step 2: Convert to fraction form
    276,574,564.40/381,672,115.32 = 152,814,359.84/x
  3. Step 3: Cross multiply
    276,574,564.40x = 381,672,115.32 × 152,814,359.84
  4. Step 4: Simplify right side
    276,574,564.40x = 58,324,979,971,404,456
  5. Step 5: Solve for x
    x = 58,324,979,971,404,456/276,574,564.40
  6. Step 6: Final answer
    x = 210,883,383.65

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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.