Home / 90,786,964.69-125,324,669.42-61,034,867.87

Finding the Fourth Proportional to 90,786,964.69, 125,324,669.42 and 61,034,867.87

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Solution

The fourth proportional to 90,786,964.69, 125,324,669.42 and 61,034,867.87 is: 84,254,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,786,964.69 : 125,324,669.42 = 61,034,867.87 : x
  2. Step 2: Convert to fraction form
    90,786,964.69/125,324,669.42 = 61,034,867.87/x
  3. Step 3: Cross multiply
    90,786,964.69x = 125,324,669.42 × 61,034,867.87
  4. Step 4: Simplify right side
    90,786,964.69x = 7,649,174,638,903,164
  5. Step 5: Solve for x
    x = 7,649,174,638,903,164/90,786,964.69
  6. Step 6: Final answer
    x = 84,254,107.02

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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.