Home / 186,107,621.90-279,171,930.45-56,719,453.10

Finding the Fourth Proportional to 186,107,621.90, 279,171,930.45 and 56,719,453.10

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Solution

The fourth proportional to 186,107,621.90, 279,171,930.45 and 56,719,453.10 is: 85,082,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,107,621.90 : 279,171,930.45 = 56,719,453.10 : x
  2. Step 2: Convert to fraction form
    186,107,621.90/279,171,930.45 = 56,719,453.10/x
  3. Step 3: Cross multiply
    186,107,621.90x = 279,171,930.45 × 56,719,453.10
  4. Step 4: Simplify right side
    186,107,621.90x = 15,834,479,215,995,236
  5. Step 5: Solve for x
    x = 15,834,479,215,995,236/186,107,621.90
  6. Step 6: Final answer
    x = 85,082,378.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.