Home / 50,668,163.28-69,920,363.70-30,029,356.80

Finding the Fourth Proportional to 50,668,163.28, 69,920,363.70 and 30,029,356.80

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Solution

The fourth proportional to 50,668,163.28, 69,920,363.70 and 30,029,356.80 is: 41,439,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,668,163.28 : 69,920,363.70 = 30,029,356.80 : x
  2. Step 2: Convert to fraction form
    50,668,163.28/69,920,363.70 = 30,029,356.80/x
  3. Step 3: Cross multiply
    50,668,163.28x = 69,920,363.70 × 30,029,356.80
  4. Step 4: Simplify right side
    50,668,163.28x = 2,099,663,549,133,068.25
  5. Step 5: Solve for x
    x = 2,099,663,549,133,068.25/50,668,163.28
  6. Step 6: Final answer
    x = 41,439,503.89

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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.