Home / 139,468,044.60-209,202,065.64-50,843,261.88

Finding the Fourth Proportional to 139,468,044.60, 209,202,065.64 and 50,843,261.88

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Solution

The fourth proportional to 139,468,044.60, 209,202,065.64 and 50,843,261.88 is: 76,264,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,468,044.60 : 209,202,065.64 = 50,843,261.88 : x
  2. Step 2: Convert to fraction form
    139,468,044.60/209,202,065.64 = 50,843,261.88/x
  3. Step 3: Cross multiply
    139,468,044.60x = 209,202,065.64 × 50,843,261.88
  4. Step 4: Simplify right side
    139,468,044.60x = 10,636,515,409,171,470
  5. Step 5: Solve for x
    x = 10,636,515,409,171,470/139,468,044.60
  6. Step 6: Final answer
    x = 76,264,892.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.