Home / 156,162,764.04-215,504,634.44-86,552,638.92

Finding the Fourth Proportional to 156,162,764.04, 215,504,634.44 and 86,552,638.92

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Solution

The fourth proportional to 156,162,764.04, 215,504,634.44 and 86,552,638.92 is: 119,442,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,162,764.04 : 215,504,634.44 = 86,552,638.92 : x
  2. Step 2: Convert to fraction form
    156,162,764.04/215,504,634.44 = 86,552,638.92/x
  3. Step 3: Cross multiply
    156,162,764.04x = 215,504,634.44 × 86,552,638.92
  4. Step 4: Simplify right side
    156,162,764.04x = 18,652,494,810,271,916
  5. Step 5: Solve for x
    x = 18,652,494,810,271,916/156,162,764.04
  6. Step 6: Final answer
    x = 119,442,652.83

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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.