Home / 102,921,640,791.25-142,035,313,154.67-57,197,843,049.73

Finding the Fourth Proportional to 102,921,640,791.25, 142,035,313,154.67 and 57,197,843,049.73

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Solution

The fourth proportional to 102,921,640,791.25, 142,035,313,154.67 and 57,197,843,049.73 is: 78,934,940,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,921,640,791.25 : 142,035,313,154.67 = 57,197,843,049.73 : x
  2. Step 2: Convert to fraction form
    102,921,640,791.25/142,035,313,154.67 = 57,197,843,049.73/x
  3. Step 3: Cross multiply
    102,921,640,791.25x = 142,035,313,154.67 × 57,197,843,049.73
  4. Step 4: Simplify right side
    102,921,640,791.25x = 8,124,113,549,340,067,233,792
  5. Step 5: Solve for x
    x = 8,124,113,549,340,067,233,792/102,921,640,791.25
  6. Step 6: Final answer
    x = 78,934,940,085.32

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1.5x scale

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.