Home / 321,706,013.04-443,918,772.87-180,544,856.92

Finding the Fourth Proportional to 321,706,013.04, 443,918,772.87 and 180,544,856.92

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Solution

The fourth proportional to 321,706,013.04, 443,918,772.87 and 180,544,856.92 is: 249,131,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,706,013.04 : 443,918,772.87 = 180,544,856.92 : x
  2. Step 2: Convert to fraction form
    321,706,013.04/443,918,772.87 = 180,544,856.92/x
  3. Step 3: Cross multiply
    321,706,013.04x = 443,918,772.87 × 180,544,856.92
  4. Step 4: Simplify right side
    321,706,013.04x = 80,147,251,331,916,128
  5. Step 5: Solve for x
    x = 80,147,251,331,916,128/321,706,013.04
  6. Step 6: Final answer
    x = 249,131,965.47

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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.