Home / 117,161,459,331.52-161,717,223,324.72-76,522,583,509.60

Finding the Fourth Proportional to 117,161,459,331.52, 161,717,223,324.72 and 76,522,583,509.60

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Solution

The fourth proportional to 117,161,459,331.52, 161,717,223,324.72 and 76,522,583,509.60 is: 105,623,639,355.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,161,459,331.52 : 161,717,223,324.72 = 76,522,583,509.60 : x
  2. Step 2: Convert to fraction form
    117,161,459,331.52/161,717,223,324.72 = 76,522,583,509.60/x
  3. Step 3: Cross multiply
    117,161,459,331.52x = 161,717,223,324.72 × 76,522,583,509.60
  4. Step 4: Simplify right side
    117,161,459,331.52x = 12,375,019,726,806,519,382,016
  5. Step 5: Solve for x
    x = 12,375,019,726,806,519,382,016/117,161,459,331.52
  6. Step 6: Final answer
    x = 105,623,639,355.59

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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.