Home / 206,647,663-285,173,774.94-113,827,883.80

Finding the Fourth Proportional to 206,647,663, 285,173,774.94 and 113,827,883.80

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Solution

The fourth proportional to 206,647,663, 285,173,774.94 and 113,827,883.80 is: 157,082,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,647,663 : 285,173,774.94 = 113,827,883.80 : x
  2. Step 2: Convert to fraction form
    206,647,663/285,173,774.94 = 113,827,883.80/x
  3. Step 3: Cross multiply
    206,647,663x = 285,173,774.94 × 113,827,883.80
  4. Step 4: Simplify right side
    206,647,663x = 32,460,727,316,677,672
  5. Step 5: Solve for x
    x = 32,460,727,316,677,672/206,647,663
  6. Step 6: Final answer
    x = 157,082,479.64

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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.