Home / 268,523,889.36-402,785,945.32-120,798,900.92

Finding the Fourth Proportional to 268,523,889.36, 402,785,945.32 and 120,798,900.92

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Solution

The fourth proportional to 268,523,889.36, 402,785,945.32 and 120,798,900.92 is: 181,198,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,523,889.36 : 402,785,945.32 = 120,798,900.92 : x
  2. Step 2: Convert to fraction form
    268,523,889.36/402,785,945.32 = 120,798,900.92/x
  3. Step 3: Cross multiply
    268,523,889.36x = 402,785,945.32 × 120,798,900.92
  4. Step 4: Simplify right side
    268,523,889.36x = 48,656,099,500,679,216
  5. Step 5: Solve for x
    x = 48,656,099,500,679,216/268,523,889.36
  6. Step 6: Final answer
    x = 181,198,401.44

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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.