Home / 102,921,640,790.25-142,035,313,153.29-57,197,843,048.73

Finding the Fourth Proportional to 102,921,640,790.25, 142,035,313,153.29 and 57,197,843,048.73

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Solution

The fourth proportional to 102,921,640,790.25, 142,035,313,153.29 and 57,197,843,048.73 is: 78,934,940,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,921,640,790.25 : 142,035,313,153.29 = 57,197,843,048.73 : x
  2. Step 2: Convert to fraction form
    102,921,640,790.25/142,035,313,153.29 = 57,197,843,048.73/x
  3. Step 3: Cross multiply
    102,921,640,790.25x = 142,035,313,153.29 × 57,197,843,048.73
  4. Step 4: Simplify right side
    102,921,640,790.25x = 8,124,113,549,119,097,667,584
  5. Step 5: Solve for x
    x = 8,124,113,549,119,097,667,584/102,921,640,790.25
  6. Step 6: Final answer
    x = 78,934,940,083.94

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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.