Home / 102,921,640,785.36-142,035,313,146.57-57,197,843,043.86

Finding the Fourth Proportional to 102,921,640,785.36, 142,035,313,146.57 and 57,197,843,043.86

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Solution

The fourth proportional to 102,921,640,785.36, 142,035,313,146.57 and 57,197,843,043.86 is: 78,934,940,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,921,640,785.36 : 142,035,313,146.57 = 57,197,843,043.86 : x
  2. Step 2: Convert to fraction form
    102,921,640,785.36/142,035,313,146.57 = 57,197,843,043.86/x
  3. Step 3: Cross multiply
    102,921,640,785.36x = 142,035,313,146.57 × 57,197,843,043.86
  4. Step 4: Simplify right side
    102,921,640,785.36x = 8,124,113,548,042,306,584,576
  5. Step 5: Solve for x
    x = 8,124,113,548,042,306,584,576/102,921,640,785.36
  6. Step 6: Final answer
    x = 78,934,940,077.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.