Home / 207,508,707.02-311,317,575.03-74,574,984.61

Finding the Fourth Proportional to 207,508,707.02, 311,317,575.03 and 74,574,984.61

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Solution

The fourth proportional to 207,508,707.02, 311,317,575.03 and 74,574,984.61 is: 111,882,068.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,508,707.02 : 311,317,575.03 = 74,574,984.61 : x
  2. Step 2: Convert to fraction form
    207,508,707.02/311,317,575.03 = 74,574,984.61/x
  3. Step 3: Cross multiply
    207,508,707.02x = 311,317,575.03 × 74,574,984.61
  4. Step 4: Simplify right side
    207,508,707.02x = 23,216,503,366,311,892
  5. Step 5: Solve for x
    x = 23,216,503,366,311,892/207,508,707.02
  6. Step 6: Final answer
    x = 111,882,068.47

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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.