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Finding the Fourth Proportional to 117,922,796.40, 176,884,194.60 and 36,041,516.40

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Solution

The fourth proportional to 117,922,796.40, 176,884,194.60 and 36,041,516.40 is: 54,062,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,922,796.40 : 176,884,194.60 = 36,041,516.40 : x
  2. Step 2: Convert to fraction form
    117,922,796.40/176,884,194.60 = 36,041,516.40/x
  3. Step 3: Cross multiply
    117,922,796.40x = 176,884,194.60 × 36,041,516.40
  4. Step 4: Simplify right side
    117,922,796.40x = 6,375,174,600,576,691
  5. Step 5: Solve for x
    x = 6,375,174,600,576,691/117,922,796.40
  6. Step 6: Final answer
    x = 54,062,274.60

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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.