Home / 61,776,757.82-92,670,522.37-20,265,187.79

Finding the Fourth Proportional to 61,776,757.82, 92,670,522.37 and 20,265,187.79

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Solution

The fourth proportional to 61,776,757.82, 92,670,522.37 and 20,265,187.79 is: 30,399,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776,757.82 : 92,670,522.37 = 20,265,187.79 : x
  2. Step 2: Convert to fraction form
    61,776,757.82/92,670,522.37 = 20,265,187.79/x
  3. Step 3: Cross multiply
    61,776,757.82x = 92,670,522.37 × 20,265,187.79
  4. Step 4: Simplify right side
    61,776,757.82x = 1,877,985,538,606,459.50
  5. Step 5: Solve for x
    x = 1,877,985,538,606,459.50/61,776,757.82
  6. Step 6: Final answer
    x = 30,399,548.39

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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.