Home / 76,222,751.10-105,187,786.20-41,415,530.70

Finding the Fourth Proportional to 76,222,751.10, 105,187,786.20 and 41,415,530.70

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Solution

The fourth proportional to 76,222,751.10, 105,187,786.20 and 41,415,530.70 is: 57,153,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,222,751.10 : 105,187,786.20 = 41,415,530.70 : x
  2. Step 2: Convert to fraction form
    76,222,751.10/105,187,786.20 = 41,415,530.70/x
  3. Step 3: Cross multiply
    76,222,751.10x = 105,187,786.20 × 41,415,530.70
  4. Step 4: Simplify right side
    76,222,751.10x = 4,356,407,988,631,137
  5. Step 5: Solve for x
    x = 4,356,407,988,631,137/76,222,751.10
  6. Step 6: Final answer
    x = 57,153,644.10

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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.