Home / 321,705,347.13-443,917,856.04-180,544,190.66

Finding the Fourth Proportional to 321,705,347.13, 443,917,856.04 and 180,544,190.66

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Solution

The fourth proportional to 321,705,347.13, 443,917,856.04 and 180,544,190.66 is: 249,131,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,705,347.13 : 443,917,856.04 = 180,544,190.66 : x
  2. Step 2: Convert to fraction form
    321,705,347.13/443,917,856.04 = 180,544,190.66/x
  3. Step 3: Cross multiply
    321,705,347.13x = 443,917,856.04 × 180,544,190.66
  4. Step 4: Simplify right side
    321,705,347.13x = 80,146,790,036,044,608
  5. Step 5: Solve for x
    x = 80,146,790,036,044,608/321,705,347.13
  6. Step 6: Final answer
    x = 249,131,047.25

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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.