Home / 276,164,421.96-381,106,120.86-152,404,214.16

Finding the Fourth Proportional to 276,164,421.96, 381,106,120.86 and 152,404,214.16

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Solution

The fourth proportional to 276,164,421.96, 381,106,120.86 and 152,404,214.16 is: 210,317,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,164,421.96 : 381,106,120.86 = 152,404,214.16 : x
  2. Step 2: Convert to fraction form
    276,164,421.96/381,106,120.86 = 152,404,214.16/x
  3. Step 3: Cross multiply
    276,164,421.96x = 381,106,120.86 × 152,404,214.16
  4. Step 4: Simplify right side
    276,164,421.96x = 58,082,178,861,234,288
  5. Step 5: Solve for x
    x = 58,082,178,861,234,288/276,164,421.96
  6. Step 6: Final answer
    x = 210,317,384.29

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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.