Home / 219,770,490,896.10-329,679,922,814.55-80,214,556,688.10

Finding the Fourth Proportional to 219,770,490,896.10, 329,679,922,814.55 and 80,214,556,688.10

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Solution

The fourth proportional to 219,770,490,896.10, 329,679,922,814.55 and 80,214,556,688.10 is: 120,330,662,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,770,490,896.10 : 329,679,922,814.55 = 80,214,556,688.10 : x
  2. Step 2: Convert to fraction form
    219,770,490,896.10/329,679,922,814.55 = 80,214,556,688.10/x
  3. Step 3: Cross multiply
    219,770,490,896.10x = 329,679,922,814.55 × 80,214,556,688.10
  4. Step 4: Simplify right side
    219,770,490,896.10x = 26,445,128,857,536,155,353,088
  5. Step 5: Solve for x
    x = 26,445,128,857,536,155,353,088/219,770,490,896.10
  6. Step 6: Final answer
    x = 120,330,662,909.78

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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.