Home / 156,025,179.25-215,315,466.65-86,409,100.69

Finding the Fourth Proportional to 156,025,179.25, 215,315,466.65 and 86,409,100.69

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Solution

The fourth proportional to 156,025,179.25, 215,315,466.65 and 86,409,100.69 is: 119,244,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,025,179.25 : 215,315,466.65 = 86,409,100.69 : x
  2. Step 2: Convert to fraction form
    156,025,179.25/215,315,466.65 = 86,409,100.69/x
  3. Step 3: Cross multiply
    156,025,179.25x = 215,315,466.65 × 86,409,100.69
  4. Step 4: Simplify right side
    156,025,179.25x = 18,605,215,837,874,188
  5. Step 5: Solve for x
    x = 18,605,215,837,874,188/156,025,179.25
  6. Step 6: Final answer
    x = 119,244,957.30

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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.