Home / 138,717,696.20-208,076,544.30-130,214,640.20

Finding the Fourth Proportional to 138,717,696.20, 208,076,544.30 and 130,214,640.20

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Solution

The fourth proportional to 138,717,696.20, 208,076,544.30 and 130,214,640.20 is: 195,321,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,717,696.20 : 208,076,544.30 = 130,214,640.20 : x
  2. Step 2: Convert to fraction form
    138,717,696.20/208,076,544.30 = 130,214,640.20/x
  3. Step 3: Cross multiply
    138,717,696.20x = 208,076,544.30 × 130,214,640.20
  4. Step 4: Simplify right side
    138,717,696.20x = 27,094,612,350,083,864
  5. Step 5: Solve for x
    x = 27,094,612,350,083,864/138,717,696.20
  6. Step 6: Final answer
    x = 195,321,960.30

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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.