Home / 71,364,400.34-98,298,662.54-50,420,076.11

Finding the Fourth Proportional to 71,364,400.34, 98,298,662.54 and 50,420,076.11

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Solution

The fourth proportional to 71,364,400.34, 98,298,662.54 and 50,420,076.11 is: 69,449,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,364,400.34 : 98,298,662.54 = 50,420,076.11 : x
  2. Step 2: Convert to fraction form
    71,364,400.34/98,298,662.54 = 50,420,076.11/x
  3. Step 3: Cross multiply
    71,364,400.34x = 98,298,662.54 × 50,420,076.11
  4. Step 4: Simplify right side
    71,364,400.34x = 4,956,226,046,817,853
  5. Step 5: Solve for x
    x = 4,956,226,046,817,853/71,364,400.34
  6. Step 6: Final answer
    x = 69,449,557.81

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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.