Home / 293,414,998.20-440,122,497.30-140,359,990.20

Finding the Fourth Proportional to 293,414,998.20, 440,122,497.30 and 140,359,990.20

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Solution

The fourth proportional to 293,414,998.20, 440,122,497.30 and 140,359,990.20 is: 210,539,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,414,998.20 : 440,122,497.30 = 140,359,990.20 : x
  2. Step 2: Convert to fraction form
    293,414,998.20/440,122,497.30 = 140,359,990.20/x
  3. Step 3: Cross multiply
    293,414,998.20x = 440,122,497.30 × 140,359,990.20
  4. Step 4: Simplify right side
    293,414,998.20x = 61,775,589,407,827,520
  5. Step 5: Solve for x
    x = 61,775,589,407,827,520/293,414,998.20
  6. Step 6: Final answer
    x = 210,539,985.30

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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.