Home / 215,791,999.80-323,687,999.70-196,140,492.60

Finding the Fourth Proportional to 215,791,999.80, 323,687,999.70 and 196,140,492.60

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Solution

The fourth proportional to 215,791,999.80, 323,687,999.70 and 196,140,492.60 is: 294,210,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,791,999.80 : 323,687,999.70 = 196,140,492.60 : x
  2. Step 2: Convert to fraction form
    215,791,999.80/323,687,999.70 = 196,140,492.60/x
  3. Step 3: Cross multiply
    215,791,999.80x = 323,687,999.70 × 196,140,492.60
  4. Step 4: Simplify right side
    215,791,999.80x = 63,488,323,709,866,648
  5. Step 5: Solve for x
    x = 63,488,323,709,866,648/215,791,999.80
  6. Step 6: Final answer
    x = 294,210,738.90

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Why These Related Problems?

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