Home / 67,070,353.04-100,605,404-21,015,747.80

Finding the Fourth Proportional to 67,070,353.04, 100,605,404 and 21,015,747.80

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Solution

The fourth proportional to 67,070,353.04, 100,605,404 and 21,015,747.80 is: 31,523,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070,353.04 : 100,605,404 = 21,015,747.80 : x
  2. Step 2: Convert to fraction form
    67,070,353.04/100,605,404 = 21,015,747.80/x
  3. Step 3: Cross multiply
    67,070,353.04x = 100,605,404 × 21,015,747.80
  4. Step 4: Simplify right side
    67,070,353.04x = 2,114,297,797,781,111.25
  5. Step 5: Solve for x
    x = 2,114,297,797,781,111.25/67,070,353.04
  6. Step 6: Final answer
    x = 31,523,582.36

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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.