Home / 76,180,338.78-105,129,485.31-41,373,278.33

Finding the Fourth Proportional to 76,180,338.78, 105,129,485.31 and 41,373,278.33

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Solution

The fourth proportional to 76,180,338.78, 105,129,485.31 and 41,373,278.33 is: 57,095,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,180,338.78 : 105,129,485.31 = 41,373,278.33 : x
  2. Step 2: Convert to fraction form
    76,180,338.78/105,129,485.31 = 41,373,278.33/x
  3. Step 3: Cross multiply
    76,180,338.78x = 105,129,485.31 × 41,373,278.33
  4. Step 4: Simplify right side
    76,180,338.78x = 4,349,551,456,760,882.50
  5. Step 5: Solve for x
    x = 4,349,551,456,760,882.50/76,180,338.78
  6. Step 6: Final answer
    x = 57,095,459.62

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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.