Home / 50,668,165.78-69,920,367.15-30,029,359.30

Finding the Fourth Proportional to 50,668,165.78, 69,920,367.15 and 30,029,359.30

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Solution

The fourth proportional to 50,668,165.78, 69,920,367.15 and 30,029,359.30 is: 41,439,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,668,165.78 : 69,920,367.15 = 30,029,359.30 : x
  2. Step 2: Convert to fraction form
    50,668,165.78/69,920,367.15 = 30,029,359.30/x
  3. Step 3: Cross multiply
    50,668,165.78x = 69,920,367.15 × 30,029,359.30
  4. Step 4: Simplify right side
    50,668,165.78x = 2,099,663,827,535,267.25
  5. Step 5: Solve for x
    x = 2,099,663,827,535,267.25/50,668,165.78
  6. Step 6: Final answer
    x = 41,439,507.34

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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.