Home / 79,964,640.48-119,946,962.78-19,380,366.48

Finding the Fourth Proportional to 79,964,640.48, 119,946,962.78 and 19,380,366.48

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Solution

The fourth proportional to 79,964,640.48, 119,946,962.78 and 19,380,366.48 is: 29,070,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,964,640.48 : 119,946,962.78 = 19,380,366.48 : x
  2. Step 2: Convert to fraction form
    79,964,640.48/119,946,962.78 = 19,380,366.48/x
  3. Step 3: Cross multiply
    79,964,640.48x = 119,946,962.78 × 19,380,366.48
  4. Step 4: Simplify right side
    79,964,640.48x = 2,324,616,096,839,319.50
  5. Step 5: Solve for x
    x = 2,324,616,096,839,319.50/79,964,640.48
  6. Step 6: Final answer
    x = 29,070,550.22

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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.