Home / 126,913,696.47-190,375,057.20-40,640,893.74

Finding the Fourth Proportional to 126,913,696.47, 190,375,057.20 and 40,640,893.74

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Solution

The fourth proportional to 126,913,696.47, 190,375,057.20 and 40,640,893.74 is: 60,962,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913,696.47 : 190,375,057.20 = 40,640,893.74 : x
  2. Step 2: Convert to fraction form
    126,913,696.47/190,375,057.20 = 40,640,893.74/x
  3. Step 3: Cross multiply
    126,913,696.47x = 190,375,057.20 × 40,640,893.74
  4. Step 4: Simplify right side
    126,913,696.47x = 7,737,012,470,411,622
  5. Step 5: Solve for x
    x = 7,737,012,470,411,622/126,913,696.47
  6. Step 6: Final answer
    x = 60,962,785.62

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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.