Home / 149,669,236.10-224,335,892.55-85,004,020.10

Finding the Fourth Proportional to 149,669,236.10, 224,335,892.55 and 85,004,020.10

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Solution

The fourth proportional to 149,669,236.10, 224,335,892.55 and 85,004,020.10 is: 127,410,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,669,236.10 : 224,335,892.55 = 85,004,020.10 : x
  2. Step 2: Convert to fraction form
    149,669,236.10/224,335,892.55 = 85,004,020.10/x
  3. Step 3: Cross multiply
    149,669,236.10x = 224,335,892.55 × 85,004,020.10
  4. Step 4: Simplify right side
    149,669,236.10x = 19,069,452,719,471,640
  5. Step 5: Solve for x
    x = 19,069,452,719,471,640/149,669,236.10
  6. Step 6: Final answer
    x = 127,410,637.06

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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.