Home / 206,736,656.83-285,302,672.08-113,923,143.38

Finding the Fourth Proportional to 206,736,656.83, 285,302,672.08 and 113,923,143.38

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Solution

The fourth proportional to 206,736,656.83, 285,302,672.08 and 113,923,143.38 is: 157,217,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,736,656.83 : 285,302,672.08 = 113,923,143.38 : x
  2. Step 2: Convert to fraction form
    206,736,656.83/285,302,672.08 = 113,923,143.38/x
  3. Step 3: Cross multiply
    206,736,656.83x = 285,302,672.08 × 113,923,143.38
  4. Step 4: Simplify right side
    206,736,656.83x = 32,502,577,218,495,408
  5. Step 5: Solve for x
    x = 32,502,577,218,495,408/206,736,656.83
  6. Step 6: Final answer
    x = 157,217,291.40

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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.