Home / 142,270,179.20-196,224,523.96-122,457,665.08

Finding the Fourth Proportional to 142,270,179.20, 196,224,523.96 and 122,457,665.08

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Solution

The fourth proportional to 142,270,179.20, 196,224,523.96 and 122,457,665.08 is: 168,898,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,270,179.20 : 196,224,523.96 = 122,457,665.08 : x
  2. Step 2: Convert to fraction form
    142,270,179.20/196,224,523.96 = 122,457,665.08/x
  3. Step 3: Cross multiply
    142,270,179.20x = 196,224,523.96 × 122,457,665.08
  4. Step 4: Simplify right side
    142,270,179.20x = 24,029,197,035,576,116
  5. Step 5: Solve for x
    x = 24,029,197,035,576,116/142,270,179.20
  6. Step 6: Final answer
    x = 168,898,339.56

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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.