Home / 67,068,620.06-100,614,264.21-21,001,403.39

Finding the Fourth Proportional to 67,068,620.06, 100,614,264.21 and 21,001,403.39

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Solution

The fourth proportional to 67,068,620.06, 100,614,264.21 and 21,001,403.39 is: 31,505,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,620.06 : 100,614,264.21 = 21,001,403.39 : x
  2. Step 2: Convert to fraction form
    67,068,620.06/100,614,264.21 = 21,001,403.39/x
  3. Step 3: Cross multiply
    67,068,620.06x = 100,614,264.21 × 21,001,403.39
  4. Step 4: Simplify right side
    67,068,620.06x = 2,113,040,748,959,178.50
  5. Step 5: Solve for x
    x = 2,113,040,748,959,178.50/67,068,620.06
  6. Step 6: Final answer
    x = 31,505,654.17

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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.