Home / 79,880,294.70-119,836,721.97-36,140,043.60

Finding the Fourth Proportional to 79,880,294.70, 119,836,721.97 and 36,140,043.60

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Solution

The fourth proportional to 79,880,294.70, 119,836,721.97 and 36,140,043.60 is: 54,217,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,880,294.70 : 119,836,721.97 = 36,140,043.60 : x
  2. Step 2: Convert to fraction form
    79,880,294.70/119,836,721.97 = 36,140,043.60/x
  3. Step 3: Cross multiply
    79,880,294.70x = 119,836,721.97 × 36,140,043.60
  4. Step 4: Simplify right side
    79,880,294.70x = 4,330,904,356,876,878
  5. Step 5: Solve for x
    x = 4,330,904,356,876,878/79,880,294.70
  6. Step 6: Final answer
    x = 54,217,430.88

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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.