Home / 319,788,171.09-441,310,718.57-187,631,416.11

Finding the Fourth Proportional to 319,788,171.09, 441,310,718.57 and 187,631,416.11

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Solution

The fourth proportional to 319,788,171.09, 441,310,718.57 and 187,631,416.11 is: 258,933,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,171.09 : 441,310,718.57 = 187,631,416.11 : x
  2. Step 2: Convert to fraction form
    319,788,171.09/441,310,718.57 = 187,631,416.11/x
  3. Step 3: Cross multiply
    319,788,171.09x = 441,310,718.57 × 187,631,416.11
  4. Step 4: Simplify right side
    319,788,171.09x = 82,803,755,068,872,624
  5. Step 5: Solve for x
    x = 82,803,755,068,872,624/319,788,171.09
  6. Step 6: Final answer
    x = 258,933,139.35

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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.