Home / 118,919,597.88-178,321,660.02-69,748,839.48

Finding the Fourth Proportional to 118,919,597.88, 178,321,660.02 and 69,748,839.48

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Solution

The fourth proportional to 118,919,597.88, 178,321,660.02 and 69,748,839.48 is: 104,589,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,919,597.88 : 178,321,660.02 = 69,748,839.48 : x
  2. Step 2: Convert to fraction form
    118,919,597.88/178,321,660.02 = 69,748,839.48/x
  3. Step 3: Cross multiply
    118,919,597.88x = 178,321,660.02 × 69,748,839.48
  4. Step 4: Simplify right side
    118,919,597.88x = 12,437,728,840,542,116
  5. Step 5: Solve for x
    x = 12,437,728,840,542,116/118,919,597.88
  6. Step 6: Final answer
    x = 104,589,395.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.