Home / 111,733,190.92-154,262,646.66-76,509,939.88

Finding the Fourth Proportional to 111,733,190.92, 154,262,646.66 and 76,509,939.88

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Solution

The fourth proportional to 111,733,190.92, 154,262,646.66 and 76,509,939.88 is: 105,632,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,733,190.92 : 154,262,646.66 = 76,509,939.88 : x
  2. Step 2: Convert to fraction form
    111,733,190.92/154,262,646.66 = 76,509,939.88/x
  3. Step 3: Cross multiply
    111,733,190.92x = 154,262,646.66 × 76,509,939.88
  4. Step 4: Simplify right side
    111,733,190.92x = 11,802,625,821,686,282
  5. Step 5: Solve for x
    x = 11,802,625,821,686,282/111,733,190.92
  6. Step 6: Final answer
    x = 105,632,227.31

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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.