Home / 120,255,231,569.52-165,952,328,333.49-66,065,290,640.27

Finding the Fourth Proportional to 120,255,231,569.52, 165,952,328,333.49 and 66,065,290,640.27

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Solution

The fourth proportional to 120,255,231,569.52, 165,952,328,333.49 and 66,065,290,640.27 is: 91,170,160,837.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,255,231,569.52 : 165,952,328,333.49 = 66,065,290,640.27 : x
  2. Step 2: Convert to fraction form
    120,255,231,569.52/165,952,328,333.49 = 66,065,290,640.27/x
  3. Step 3: Cross multiply
    120,255,231,569.52x = 165,952,328,333.49 × 66,065,290,640.27
  4. Step 4: Simplify right side
    120,255,231,569.52x = 10,963,688,803,781,197,168,640
  5. Step 5: Solve for x
    x = 10,963,688,803,781,197,168,640/120,255,231,569.52
  6. Step 6: Final answer
    x = 91,170,160,837.81

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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.