Home / 156,162,762.03-215,504,631.68-86,552,636.91

Finding the Fourth Proportional to 156,162,762.03, 215,504,631.68 and 86,552,636.91

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Solution

The fourth proportional to 156,162,762.03, 215,504,631.68 and 86,552,636.91 is: 119,442,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,162,762.03 : 215,504,631.68 = 86,552,636.91 : x
  2. Step 2: Convert to fraction form
    156,162,762.03/215,504,631.68 = 86,552,636.91/x
  3. Step 3: Cross multiply
    156,162,762.03x = 215,504,631.68 × 86,552,636.91
  4. Step 4: Simplify right side
    156,162,762.03x = 18,652,494,137,789,560
  5. Step 5: Solve for x
    x = 18,652,494,137,789,560/156,162,762.03
  6. Step 6: Final answer
    x = 119,442,650.06

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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.