Home / 344,399,814.32-516,599,760.36-139,928,028.08

Finding the Fourth Proportional to 344,399,814.32, 516,599,760.36 and 139,928,028.08

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Solution

The fourth proportional to 344,399,814.32, 516,599,760.36 and 139,928,028.08 is: 209,892,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,399,814.32 : 516,599,760.36 = 139,928,028.08 : x
  2. Step 2: Convert to fraction form
    344,399,814.32/516,599,760.36 = 139,928,028.08/x
  3. Step 3: Cross multiply
    344,399,814.32x = 516,599,760.36 × 139,928,028.08
  4. Step 4: Simplify right side
    344,399,814.32x = 72,286,785,773,775,360
  5. Step 5: Solve for x
    x = 72,286,785,773,775,360/344,399,814.32
  6. Step 6: Final answer
    x = 209,892,057.92

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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.