Home / 312,111,736.20-468,025,886.70-117,958,624.20

Finding the Fourth Proportional to 312,111,736.20, 468,025,886.70 and 117,958,624.20

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Solution

The fourth proportional to 312,111,736.20, 468,025,886.70 and 117,958,624.20 is: 176,884,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,111,736.20 : 468,025,886.70 = 117,958,624.20 : x
  2. Step 2: Convert to fraction form
    312,111,736.20/468,025,886.70 = 117,958,624.20/x
  3. Step 3: Cross multiply
    312,111,736.20x = 468,025,886.70 × 117,958,624.20
  4. Step 4: Simplify right side
    312,111,736.20x = 55,207,689,685,117,080
  5. Step 5: Solve for x
    x = 55,207,689,685,117,080/312,111,736.20
  6. Step 6: Final answer
    x = 176,884,375.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.