Home / 66,737,249.07-100,069,299.77-20,666,327.75

Finding the Fourth Proportional to 66,737,249.07, 100,069,299.77 and 20,666,327.75

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Solution

The fourth proportional to 66,737,249.07, 100,069,299.77 and 20,666,327.75 is: 30,988,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,737,249.07 : 100,069,299.77 = 20,666,327.75 : x
  2. Step 2: Convert to fraction form
    66,737,249.07/100,069,299.77 = 20,666,327.75/x
  3. Step 3: Cross multiply
    66,737,249.07x = 100,069,299.77 × 20,666,327.75
  4. Step 4: Simplify right side
    66,737,249.07x = 2,068,064,946,156,141.50
  5. Step 5: Solve for x
    x = 2,068,064,946,156,141.50/66,737,249.07
  6. Step 6: Final answer
    x = 30,988,165.90

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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.