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Finding the Fourth Proportional to 117,922,872.40, 176,884,308.60 and 36,041,592.40

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Solution

The fourth proportional to 117,922,872.40, 176,884,308.60 and 36,041,592.40 is: 54,062,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,922,872.40 : 176,884,308.60 = 36,041,592.40 : x
  2. Step 2: Convert to fraction form
    117,922,872.40/176,884,308.60 = 36,041,592.40/x
  3. Step 3: Cross multiply
    117,922,872.40x = 176,884,308.60 × 36,041,592.40
  4. Step 4: Simplify right side
    117,922,872.40x = 6,375,192,152,517,014
  5. Step 5: Solve for x
    x = 6,375,192,152,517,014/117,922,872.40
  6. Step 6: Final answer
    x = 54,062,388.60

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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.