Home / 67,086,007.20-100,629,010.80-59,433,256.80

Finding the Fourth Proportional to 67,086,007.20, 100,629,010.80 and 59,433,256.80

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Solution

The fourth proportional to 67,086,007.20, 100,629,010.80 and 59,433,256.80 is: 89,149,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,086,007.20 : 100,629,010.80 = 59,433,256.80 : x
  2. Step 2: Convert to fraction form
    67,086,007.20/100,629,010.80 = 59,433,256.80/x
  3. Step 3: Cross multiply
    67,086,007.20x = 100,629,010.80 × 59,433,256.80
  4. Step 4: Simplify right side
    67,086,007.20x = 5,980,709,840,406,373
  5. Step 5: Solve for x
    x = 5,980,709,840,406,373/67,086,007.20
  6. Step 6: Final answer
    x = 89,149,885.20

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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.