Home / 142,437,659.60-196,561,615.56-80,555,675.60

Finding the Fourth Proportional to 142,437,659.60, 196,561,615.56 and 80,555,675.60

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Solution

The fourth proportional to 142,437,659.60, 196,561,615.56 and 80,555,675.60 is: 111,165,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,437,659.60 : 196,561,615.56 = 80,555,675.60 : x
  2. Step 2: Convert to fraction form
    142,437,659.60/196,561,615.56 = 80,555,675.60/x
  3. Step 3: Cross multiply
    142,437,659.60x = 196,561,615.56 × 80,555,675.60
  4. Step 4: Simplify right side
    142,437,659.60x = 15,834,153,738,463,272
  5. Step 5: Solve for x
    x = 15,834,153,738,463,272/142,437,659.60
  6. Step 6: Final answer
    x = 111,165,500.63

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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.