Home / 50,668,164.78-69,920,365.77-30,029,358.30

Finding the Fourth Proportional to 50,668,164.78, 69,920,365.77 and 30,029,358.30

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Solution

The fourth proportional to 50,668,164.78, 69,920,365.77 and 30,029,358.30 is: 41,439,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,668,164.78 : 69,920,365.77 = 30,029,358.30 : x
  2. Step 2: Convert to fraction form
    50,668,164.78/69,920,365.77 = 30,029,358.30/x
  3. Step 3: Cross multiply
    50,668,164.78x = 69,920,365.77 × 30,029,358.30
  4. Step 4: Simplify right side
    50,668,164.78x = 2,099,663,716,174,385.25
  5. Step 5: Solve for x
    x = 2,099,663,716,174,385.25/50,668,164.78
  6. Step 6: Final answer
    x = 41,439,505.96

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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.