Home / 70,781,240.56-97,681,142.46-39,419,289.37

Finding the Fourth Proportional to 70,781,240.56, 97,681,142.46 and 39,419,289.37

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Solution

The fourth proportional to 70,781,240.56, 97,681,142.46 and 39,419,289.37 is: 54,400,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,781,240.56 : 97,681,142.46 = 39,419,289.37 : x
  2. Step 2: Convert to fraction form
    70,781,240.56/97,681,142.46 = 39,419,289.37/x
  3. Step 3: Cross multiply
    70,781,240.56x = 97,681,142.46 × 39,419,289.37
  4. Step 4: Simplify right side
    70,781,240.56x = 3,850,521,220,622,933
  5. Step 5: Solve for x
    x = 3,850,521,220,622,933/70,781,240.56
  6. Step 6: Final answer
    x = 54,400,307.06

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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.