Home / 161,140,063,071.17-222,373,978,378.36-87,897,889,900.46

Finding the Fourth Proportional to 161,140,063,071.17, 222,373,978,378.36 and 87,897,889,900.46

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Solution

The fourth proportional to 161,140,063,071.17, 222,373,978,378.36 and 87,897,889,900.46 is: 121,299,465,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,140,063,071.17 : 222,373,978,378.36 = 87,897,889,900.46 : x
  2. Step 2: Convert to fraction form
    161,140,063,071.17/222,373,978,378.36 = 87,897,889,900.46/x
  3. Step 3: Cross multiply
    161,140,063,071.17x = 222,373,978,378.36 × 87,897,889,900.46
  4. Step 4: Simplify right side
    161,140,063,071.17x = 19,546,203,468,228,361,977,856
  5. Step 5: Solve for x
    x = 19,546,203,468,228,361,977,856/161,140,063,071.17
  6. Step 6: Final answer
    x = 121,299,465,171.46

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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.