Home / 127,590,249.25-176,075,429.70-72,586,105.75

Finding the Fourth Proportional to 127,590,249.25, 176,075,429.70 and 72,586,105.75

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Solution

The fourth proportional to 127,590,249.25, 176,075,429.70 and 72,586,105.75 is: 100,169,329.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,590,249.25 : 176,075,429.70 = 72,586,105.75 : x
  2. Step 2: Convert to fraction form
    127,590,249.25/176,075,429.70 = 72,586,105.75/x
  3. Step 3: Cross multiply
    127,590,249.25x = 176,075,429.70 × 72,586,105.75
  4. Step 4: Simplify right side
    127,590,249.25x = 12,780,629,760,180,890
  5. Step 5: Solve for x
    x = 12,780,629,760,180,890/127,590,249.25
  6. Step 6: Final answer
    x = 100,169,329.83

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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.