Home / 122,572,181,108.56-169,149,533,528.28-66,247,938,164.56

Finding the Fourth Proportional to 122,572,181,108.56, 169,149,533,528.28 and 66,247,938,164.56

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Solution

The fourth proportional to 122,572,181,108.56, 169,149,533,528.28 and 66,247,938,164.56 is: 91,422,113,373.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,572,181,108.56 : 169,149,533,528.28 = 66,247,938,164.56 : x
  2. Step 2: Convert to fraction form
    122,572,181,108.56/169,149,533,528.28 = 66,247,938,164.56/x
  3. Step 3: Cross multiply
    122,572,181,108.56x = 169,149,533,528.28 × 66,247,938,164.56
  4. Step 4: Simplify right side
    122,572,181,108.56x = 11,205,807,837,745,661,345,792
  5. Step 5: Solve for x
    x = 11,205,807,837,745,661,345,792/122,572,181,108.56
  6. Step 6: Final answer
    x = 91,422,113,373.51

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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.