Home / 276,769,228.96-381,949,507.58-153,017,877.70

Finding the Fourth Proportional to 276,769,228.96, 381,949,507.58 and 153,017,877.70

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Solution

The fourth proportional to 276,769,228.96, 381,949,507.58 and 153,017,877.70 is: 211,169,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,769,228.96 : 381,949,507.58 = 153,017,877.70 : x
  2. Step 2: Convert to fraction form
    276,769,228.96/381,949,507.58 = 153,017,877.70/x
  3. Step 3: Cross multiply
    276,769,228.96x = 381,949,507.58 × 153,017,877.70
  4. Step 4: Simplify right side
    276,769,228.96x = 58,445,103,039,311,640
  5. Step 5: Solve for x
    x = 58,445,103,039,311,640/276,769,228.96
  6. Step 6: Final answer
    x = 211,169,078.51

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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.