Home / 206,408,879.16-284,780,127.27-117,086,102.02

Finding the Fourth Proportional to 206,408,879.16, 284,780,127.27 and 117,086,102.02

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Solution

The fourth proportional to 206,408,879.16, 284,780,127.27 and 117,086,102.02 is: 161,542,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,408,879.16 : 284,780,127.27 = 117,086,102.02 : x
  2. Step 2: Convert to fraction form
    206,408,879.16/284,780,127.27 = 117,086,102.02/x
  3. Step 3: Cross multiply
    206,408,879.16x = 284,780,127.27 × 117,086,102.02
  4. Step 4: Simplify right side
    206,408,879.16x = 33,343,795,034,803,800
  5. Step 5: Solve for x
    x = 33,343,795,034,803,800/206,408,879.16
  6. Step 6: Final answer
    x = 161,542,445.12

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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.