Home / 117,261,599,074.38-161,808,058,589.36-65,808,357,539.46

Finding the Fourth Proportional to 117,261,599,074.38, 161,808,058,589.36 and 65,808,357,539.46

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Solution

The fourth proportional to 117,261,599,074.38, 161,808,058,589.36 and 65,808,357,539.46 is: 90,808,266,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,261,599,074.38 : 161,808,058,589.36 = 65,808,357,539.46 : x
  2. Step 2: Convert to fraction form
    117,261,599,074.38/161,808,058,589.36 = 65,808,357,539.46/x
  3. Step 3: Cross multiply
    117,261,599,074.38x = 161,808,058,589.36 × 65,808,357,539.46
  4. Step 4: Simplify right side
    117,261,599,074.38x = 10,648,322,572,414,493,917,184
  5. Step 5: Solve for x
    x = 10,648,322,572,414,493,917,184/117,261,599,074.38
  6. Step 6: Final answer
    x = 90,808,266,785.28

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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.