Home / 206,734,670.40-285,280,990.56-113,909,983.68

Finding the Fourth Proportional to 206,734,670.40, 285,280,990.56 and 113,909,983.68

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Solution

The fourth proportional to 206,734,670.40, 285,280,990.56 and 113,909,983.68 is: 157,188,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,734,670.40 : 285,280,990.56 = 113,909,983.68 : x
  2. Step 2: Convert to fraction form
    206,734,670.40/285,280,990.56 = 113,909,983.68/x
  3. Step 3: Cross multiply
    206,734,670.40x = 285,280,990.56 × 113,909,983.68
  4. Step 4: Simplify right side
    206,734,670.40x = 32,496,352,978,903,836
  5. Step 5: Solve for x
    x = 32,496,352,978,903,836/206,734,670.40
  6. Step 6: Final answer
    x = 157,188,694.65

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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.