Home / 427,834,192.69-641,782,490.35-132,691,842.27

Finding the Fourth Proportional to 427,834,192.69, 641,782,490.35 and 132,691,842.27

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Solution

The fourth proportional to 427,834,192.69, 641,782,490.35 and 132,691,842.27 is: 199,047,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,834,192.69 : 641,782,490.35 = 132,691,842.27 : x
  2. Step 2: Convert to fraction form
    427,834,192.69/641,782,490.35 = 132,691,842.27/x
  3. Step 3: Cross multiply
    427,834,192.69x = 641,782,490.35 × 132,691,842.27
  4. Step 4: Simplify right side
    427,834,192.69x = 85,159,300,978,908,800
  5. Step 5: Solve for x
    x = 85,159,300,978,908,800/427,834,192.69
  6. Step 6: Final answer
    x = 199,047,440.42

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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.