Home / 176,720,447.20-264,957,504.16-78,298,656.56

Finding the Fourth Proportional to 176,720,447.20, 264,957,504.16 and 78,298,656.56

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Solution

The fourth proportional to 176,720,447.20, 264,957,504.16 and 78,298,656.56 is: 117,393,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,720,447.20 : 264,957,504.16 = 78,298,656.56 : x
  2. Step 2: Convert to fraction form
    176,720,447.20/264,957,504.16 = 78,298,656.56/x
  3. Step 3: Cross multiply
    176,720,447.20x = 264,957,504.16 × 78,298,656.56
  4. Step 4: Simplify right side
    176,720,447.20x = 20,745,816,621,218,612
  5. Step 5: Solve for x
    x = 20,745,816,621,218,612/176,720,447.20
  6. Step 6: Final answer
    x = 117,393,414.00

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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.