Home / 70,781,241.79-97,681,144.16-39,419,290.57

Finding the Fourth Proportional to 70,781,241.79, 97,681,144.16 and 39,419,290.57

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Solution

The fourth proportional to 70,781,241.79, 97,681,144.16 and 39,419,290.57 is: 54,400,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,781,241.79 : 97,681,144.16 = 39,419,290.57 : x
  2. Step 2: Convert to fraction form
    70,781,241.79/97,681,144.16 = 39,419,290.57/x
  3. Step 3: Cross multiply
    70,781,241.79x = 97,681,144.16 × 39,419,290.57
  4. Step 4: Simplify right side
    70,781,241.79x = 3,850,521,404,853,098.50
  5. Step 5: Solve for x
    x = 3,850,521,404,853,098.50/70,781,241.79
  6. Step 6: Final answer
    x = 54,400,308.72

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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.