Home / 200,552,116.92-276,695,764.27-121,137,505.02

Finding the Fourth Proportional to 200,552,116.92, 276,695,764.27 and 121,137,505.02

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Solution

The fourth proportional to 200,552,116.92, 276,695,764.27 and 121,137,505.02 is: 167,129,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,552,116.92 : 276,695,764.27 = 121,137,505.02 : x
  2. Step 2: Convert to fraction form
    200,552,116.92/276,695,764.27 = 121,137,505.02/x
  3. Step 3: Cross multiply
    200,552,116.92x = 276,695,764.27 × 121,137,505.02
  4. Step 4: Simplify right side
    200,552,116.92x = 33,518,234,533,269,860
  5. Step 5: Solve for x
    x = 33,518,234,533,269,860/200,552,116.92
  6. Step 6: Final answer
    x = 167,129,796.72

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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.