Home / 120,255,231,570.52-165,952,328,334.87-66,065,290,641.27

Finding the Fourth Proportional to 120,255,231,570.52, 165,952,328,334.87 and 66,065,290,641.27

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Solution

The fourth proportional to 120,255,231,570.52, 165,952,328,334.87 and 66,065,290,641.27 is: 91,170,160,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,255,231,570.52 : 165,952,328,334.87 = 66,065,290,641.27 : x
  2. Step 2: Convert to fraction form
    120,255,231,570.52/165,952,328,334.87 = 66,065,290,641.27/x
  3. Step 3: Cross multiply
    120,255,231,570.52x = 165,952,328,334.87 × 66,065,290,641.27
  4. Step 4: Simplify right side
    120,255,231,570.52x = 10,963,688,804,038,651,936,768
  5. Step 5: Solve for x
    x = 10,963,688,804,038,651,936,768/120,255,231,570.52
  6. Step 6: Final answer
    x = 91,170,160,839.19

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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.