Home / 156,331,806.40-234,497,709.60-133,153,105.60

Finding the Fourth Proportional to 156,331,806.40, 234,497,709.60 and 133,153,105.60

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Solution

The fourth proportional to 156,331,806.40, 234,497,709.60 and 133,153,105.60 is: 199,729,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,331,806.40 : 234,497,709.60 = 133,153,105.60 : x
  2. Step 2: Convert to fraction form
    156,331,806.40/234,497,709.60 = 133,153,105.60/x
  3. Step 3: Cross multiply
    156,331,806.40x = 234,497,709.60 × 133,153,105.60
  4. Step 4: Simplify right side
    156,331,806.40x = 31,224,098,289,326,932
  5. Step 5: Solve for x
    x = 31,224,098,289,326,932/156,331,806.40
  6. Step 6: Final answer
    x = 199,729,658.40

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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.