Home / 102,072,711.40-153,109,067.10-91,550,179.60

Finding the Fourth Proportional to 102,072,711.40, 153,109,067.10 and 91,550,179.60

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Solution

The fourth proportional to 102,072,711.40, 153,109,067.10 and 91,550,179.60 is: 137,325,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,072,711.40 : 153,109,067.10 = 91,550,179.60 : x
  2. Step 2: Convert to fraction form
    102,072,711.40/153,109,067.10 = 91,550,179.60/x
  3. Step 3: Cross multiply
    102,072,711.40x = 153,109,067.10 × 91,550,179.60
  4. Step 4: Simplify right side
    102,072,711.40x = 14,017,162,591,393,450
  5. Step 5: Solve for x
    x = 14,017,162,591,393,450/102,072,711.40
  6. Step 6: Final answer
    x = 137,325,269.40

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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.