Home / 67,277,988.83-100,940,403.05-21,226,968.11

Finding the Fourth Proportional to 67,277,988.83, 100,940,403.05 and 21,226,968.11

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Solution

The fourth proportional to 67,277,988.83, 100,940,403.05 and 21,226,968.11 is: 31,847,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,277,988.83 : 100,940,403.05 = 21,226,968.11 : x
  2. Step 2: Convert to fraction form
    67,277,988.83/100,940,403.05 = 21,226,968.11/x
  3. Step 3: Cross multiply
    67,277,988.83x = 100,940,403.05 × 21,226,968.11
  4. Step 4: Simplify right side
    67,277,988.83x = 2,142,658,716,446,761.75
  5. Step 5: Solve for x
    x = 2,142,658,716,446,761.75/67,277,988.83
  6. Step 6: Final answer
    x = 31,847,841.38

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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.