Home / 206,610,492.64-285,135,375-113,790,975.88

Finding the Fourth Proportional to 206,610,492.64, 285,135,375 and 113,790,975.88

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Solution

The fourth proportional to 206,610,492.64, 285,135,375 and 113,790,975.88 is: 157,038,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,610,492.64 : 285,135,375 = 113,790,975.88 : x
  2. Step 2: Convert to fraction form
    206,610,492.64/285,135,375 = 113,790,975.88/x
  3. Step 3: Cross multiply
    206,610,492.64x = 285,135,375 × 113,790,975.88
  4. Step 4: Simplify right side
    206,610,492.64x = 32,445,832,579,159,752
  5. Step 5: Solve for x
    x = 32,445,832,579,159,752/206,610,492.64
  6. Step 6: Final answer
    x = 157,038,648.74

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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.