Home / 129,817,270.80-194,725,906.20-43,558,491.60

Finding the Fourth Proportional to 129,817,270.80, 194,725,906.20 and 43,558,491.60

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Solution

The fourth proportional to 129,817,270.80, 194,725,906.20 and 43,558,491.60 is: 65,337,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,817,270.80 : 194,725,906.20 = 43,558,491.60 : x
  2. Step 2: Convert to fraction form
    129,817,270.80/194,725,906.20 = 43,558,491.60/x
  3. Step 3: Cross multiply
    129,817,270.80x = 194,725,906.20 × 43,558,491.60
  4. Step 4: Simplify right side
    129,817,270.80x = 8,481,966,749,515,088
  5. Step 5: Solve for x
    x = 8,481,966,749,515,088/129,817,270.80
  6. Step 6: Final answer
    x = 65,337,737.40

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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.