Home / 111,733,189.92-154,262,645.28-76,509,938.88

Finding the Fourth Proportional to 111,733,189.92, 154,262,645.28 and 76,509,938.88

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Solution

The fourth proportional to 111,733,189.92, 154,262,645.28 and 76,509,938.88 is: 105,632,225.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,733,189.92 : 154,262,645.28 = 76,509,938.88 : x
  2. Step 2: Convert to fraction form
    111,733,189.92/154,262,645.28 = 76,509,938.88/x
  3. Step 3: Cross multiply
    111,733,189.92x = 154,262,645.28 × 76,509,938.88
  4. Step 4: Simplify right side
    111,733,189.92x = 11,802,625,561,839,920
  5. Step 5: Solve for x
    x = 11,802,625,561,839,920/111,733,189.92
  6. Step 6: Final answer
    x = 105,632,225.93

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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.