Home / 253,193,769.30-379,773,857.79-114,986,566.74

Finding the Fourth Proportional to 253,193,769.30, 379,773,857.79 and 114,986,566.74

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Solution

The fourth proportional to 253,193,769.30, 379,773,857.79 and 114,986,566.74 is: 172,472,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,193,769.30 : 379,773,857.79 = 114,986,566.74 : x
  2. Step 2: Convert to fraction form
    253,193,769.30/379,773,857.79 = 114,986,566.74/x
  3. Step 3: Cross multiply
    253,193,769.30x = 379,773,857.79 × 114,986,566.74
  4. Step 4: Simplify right side
    253,193,769.30x = 43,668,892,044,877,104
  5. Step 5: Solve for x
    x = 43,668,892,044,877,104/253,193,769.30
  6. Step 6: Final answer
    x = 172,472,222.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.