Home / 127,746,143.08-176,289,504.24-72,741,999.58

Finding the Fourth Proportional to 127,746,143.08, 176,289,504.24 and 72,741,999.58

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Solution

The fourth proportional to 127,746,143.08, 176,289,504.24 and 72,741,999.58 is: 100,383,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746,143.08 : 176,289,504.24 = 72,741,999.58 : x
  2. Step 2: Convert to fraction form
    127,746,143.08/176,289,504.24 = 72,741,999.58/x
  3. Step 3: Cross multiply
    127,746,143.08x = 176,289,504.24 × 72,741,999.58
  4. Step 4: Simplify right side
    127,746,143.08x = 12,823,651,043,384,488
  5. Step 5: Solve for x
    x = 12,823,651,043,384,488/127,746,143.08
  6. Step 6: Final answer
    x = 100,383,860.79

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1.5x scale

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.