Home / 206,510,669.48-284,974,472.96-113,689,184.42

Finding the Fourth Proportional to 206,510,669.48, 284,974,472.96 and 113,689,184.42

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Solution

The fourth proportional to 206,510,669.48, 284,974,472.96 and 113,689,184.42 is: 156,885,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,510,669.48 : 284,974,472.96 = 113,689,184.42 : x
  2. Step 2: Convert to fraction form
    206,510,669.48/284,974,472.96 = 113,689,184.42/x
  3. Step 3: Cross multiply
    206,510,669.48x = 284,974,472.96 × 113,689,184.42
  4. Step 4: Simplify right side
    206,510,669.48x = 32,398,515,409,348,424
  5. Step 5: Solve for x
    x = 32,398,515,409,348,424/206,510,669.48
  6. Step 6: Final answer
    x = 156,885,431.11

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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.