Home / 50,645,879.70-69,864,353.81-30,805,713.26

Finding the Fourth Proportional to 50,645,879.70, 69,864,353.81 and 30,805,713.26

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Solution

The fourth proportional to 50,645,879.70, 69,864,353.81 and 30,805,713.26 is: 42,495,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,645,879.70 : 69,864,353.81 = 30,805,713.26 : x
  2. Step 2: Convert to fraction form
    50,645,879.70/69,864,353.81 = 30,805,713.26/x
  3. Step 3: Cross multiply
    50,645,879.70x = 69,864,353.81 × 30,805,713.26
  4. Step 4: Simplify right side
    50,645,879.70x = 2,152,221,250,566,048.75
  5. Step 5: Solve for x
    x = 2,152,221,250,566,048.75/50,645,879.70
  6. Step 6: Final answer
    x = 42,495,485.58

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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.