Home / 178,745,945.60-268,251,628.80-71,117,811.20

Finding the Fourth Proportional to 178,745,945.60, 268,251,628.80 and 71,117,811.20

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Solution

The fourth proportional to 178,745,945.60, 268,251,628.80 and 71,117,811.20 is: 106,729,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,745,945.60 : 268,251,628.80 = 71,117,811.20 : x
  2. Step 2: Convert to fraction form
    178,745,945.60/268,251,628.80 = 71,117,811.20/x
  3. Step 3: Cross multiply
    178,745,945.60x = 268,251,628.80 × 71,117,811.20
  4. Step 4: Simplify right side
    178,745,945.60x = 19,077,468,691,090,884
  5. Step 5: Solve for x
    x = 19,077,468,691,090,884/178,745,945.60
  6. Step 6: Final answer
    x = 106,729,518.41

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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.