Home / 196,151,280.20-294,289,905.90-86,934,249.80

Finding the Fourth Proportional to 196,151,280.20, 294,289,905.90 and 86,934,249.80

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Solution

The fourth proportional to 196,151,280.20, 294,289,905.90 and 86,934,249.80 is: 130,429,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,151,280.20 : 294,289,905.90 = 86,934,249.80 : x
  2. Step 2: Convert to fraction form
    196,151,280.20/294,289,905.90 = 86,934,249.80/x
  3. Step 3: Cross multiply
    196,151,280.20x = 294,289,905.90 × 86,934,249.80
  4. Step 4: Simplify right side
    196,151,280.20x = 25,583,872,193,129,092
  5. Step 5: Solve for x
    x = 25,583,872,193,129,092/196,151,280.20
  6. Step 6: Final answer
    x = 130,429,289.92

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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.