Home / 76,065,858.06-104,970,112.47-41,257,800.78

Finding the Fourth Proportional to 76,065,858.06, 104,970,112.47 and 41,257,800.78

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Solution

The fourth proportional to 76,065,858.06, 104,970,112.47 and 41,257,800.78 is: 56,935,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,065,858.06 : 104,970,112.47 = 41,257,800.78 : x
  2. Step 2: Convert to fraction form
    76,065,858.06/104,970,112.47 = 41,257,800.78/x
  3. Step 3: Cross multiply
    76,065,858.06x = 104,970,112.47 × 41,257,800.78
  4. Step 4: Simplify right side
    76,065,858.06x = 4,330,835,988,141,454
  5. Step 5: Solve for x
    x = 4,330,835,988,141,454/76,065,858.06
  6. Step 6: Final answer
    x = 56,935,346.54

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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.