Home / 82,781,663.85-114,241,286.25-47,505,922.47

Finding the Fourth Proportional to 82,781,663.85, 114,241,286.25 and 47,505,922.47

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Solution

The fourth proportional to 82,781,663.85, 114,241,286.25 and 47,505,922.47 is: 65,559,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,781,663.85 : 114,241,286.25 = 47,505,922.47 : x
  2. Step 2: Convert to fraction form
    82,781,663.85/114,241,286.25 = 47,505,922.47/x
  3. Step 3: Cross multiply
    82,781,663.85x = 114,241,286.25 × 47,505,922.47
  4. Step 4: Simplify right side
    82,781,663.85x = 5,427,137,687,465,577
  5. Step 5: Solve for x
    x = 5,427,137,687,465,577/82,781,663.85
  6. Step 6: Final answer
    x = 65,559,659.41

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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.