Home / 57,681,773.82-79,600,841.91-31,220,123.06

Finding the Fourth Proportional to 57,681,773.82, 79,600,841.91 and 31,220,123.06

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Solution

The fourth proportional to 57,681,773.82, 79,600,841.91 and 31,220,123.06 is: 43,083,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681,773.82 : 79,600,841.91 = 31,220,123.06 : x
  2. Step 2: Convert to fraction form
    57,681,773.82/79,600,841.91 = 31,220,123.06/x
  3. Step 3: Cross multiply
    57,681,773.82x = 79,600,841.91 × 31,220,123.06
  4. Step 4: Simplify right side
    57,681,773.82x = 2,485,148,080,109,805
  5. Step 5: Solve for x
    x = 2,485,148,080,109,805/57,681,773.82
  6. Step 6: Final answer
    x = 43,083,766.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.