Home / 276,164,420.96-381,106,119.48-152,404,213.16

Finding the Fourth Proportional to 276,164,420.96, 381,106,119.48 and 152,404,213.16

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Solution

The fourth proportional to 276,164,420.96, 381,106,119.48 and 152,404,213.16 is: 210,317,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,164,420.96 : 381,106,119.48 = 152,404,213.16 : x
  2. Step 2: Convert to fraction form
    276,164,420.96/381,106,119.48 = 152,404,213.16/x
  3. Step 3: Cross multiply
    276,164,420.96x = 381,106,119.48 × 152,404,213.16
  4. Step 4: Simplify right side
    276,164,420.96x = 58,082,178,269,810,352
  5. Step 5: Solve for x
    x = 58,082,178,269,810,352/276,164,420.96
  6. Step 6: Final answer
    x = 210,317,382.91

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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.