Home / 207,508,706.02-311,317,573.52-74,574,983.61

Finding the Fourth Proportional to 207,508,706.02, 311,317,573.52 and 74,574,983.61

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Solution

The fourth proportional to 207,508,706.02, 311,317,573.52 and 74,574,983.61 is: 111,882,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,508,706.02 : 311,317,573.52 = 74,574,983.61 : x
  2. Step 2: Convert to fraction form
    207,508,706.02/311,317,573.52 = 74,574,983.61/x
  3. Step 3: Cross multiply
    207,508,706.02x = 311,317,573.52 × 74,574,983.61
  4. Step 4: Simplify right side
    207,508,706.02x = 23,216,502,942,945,404
  5. Step 5: Solve for x
    x = 23,216,502,942,945,404/207,508,706.02
  6. Step 6: Final answer
    x = 111,882,066.97

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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.