Home / 148,936,311.58-205,533,969.44-81,962,975.02

Finding the Fourth Proportional to 148,936,311.58, 205,533,969.44 and 81,962,975.02

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Solution

The fourth proportional to 148,936,311.58, 205,533,969.44 and 81,962,975.02 is: 113,109,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,936,311.58 : 205,533,969.44 = 81,962,975.02 : x
  2. Step 2: Convert to fraction form
    148,936,311.58/205,533,969.44 = 81,962,975.02/x
  3. Step 3: Cross multiply
    148,936,311.58x = 205,533,969.44 × 81,962,975.02
  4. Step 4: Simplify right side
    148,936,311.58x = 16,846,175,602,972,162
  5. Step 5: Solve for x
    x = 16,846,175,602,972,162/148,936,311.58
  6. Step 6: Final answer
    x = 113,109,928.83

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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.