Home / 61,776,768.84-92,670,538.86-20,265,198.78

Finding the Fourth Proportional to 61,776,768.84, 92,670,538.86 and 20,265,198.78

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Solution

The fourth proportional to 61,776,768.84, 92,670,538.86 and 20,265,198.78 is: 30,399,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776,768.84 : 92,670,538.86 = 20,265,198.78 : x
  2. Step 2: Convert to fraction form
    61,776,768.84/92,670,538.86 = 20,265,198.78/x
  3. Step 3: Cross multiply
    61,776,768.84x = 92,670,538.86 × 20,265,198.78
  4. Step 4: Simplify right side
    61,776,768.84x = 1,877,986,891,047,614.75
  5. Step 5: Solve for x
    x = 1,877,986,891,047,614.75/61,776,768.84
  6. Step 6: Final answer
    x = 30,399,564.86

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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.