Home / 207,205,895.76-285,945,049.85-114,387,166.32

Finding the Fourth Proportional to 207,205,895.76, 285,945,049.85 and 114,387,166.32

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Solution

The fourth proportional to 207,205,895.76, 285,945,049.85 and 114,387,166.32 is: 157,854,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,205,895.76 : 285,945,049.85 = 114,387,166.32 : x
  2. Step 2: Convert to fraction form
    207,205,895.76/285,945,049.85 = 114,387,166.32/x
  3. Step 3: Cross multiply
    207,205,895.76x = 285,945,049.85 × 114,387,166.32
  4. Step 4: Simplify right side
    207,205,895.76x = 32,708,443,975,572,640
  5. Step 5: Solve for x
    x = 32,708,443,975,572,640/207,205,895.76
  6. Step 6: Final answer
    x = 157,854,793.93

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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.