Home / 161,140,063,071.20-222,373,978,378.40-87,897,889,900.49

Finding the Fourth Proportional to 161,140,063,071.20, 222,373,978,378.40 and 87,897,889,900.49

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Solution

The fourth proportional to 161,140,063,071.20, 222,373,978,378.40 and 87,897,889,900.49 is: 121,299,465,171.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,140,063,071.20 : 222,373,978,378.40 = 87,897,889,900.49 : x
  2. Step 2: Convert to fraction form
    161,140,063,071.20/222,373,978,378.40 = 87,897,889,900.49/x
  3. Step 3: Cross multiply
    161,140,063,071.20x = 222,373,978,378.40 × 87,897,889,900.49
  4. Step 4: Simplify right side
    161,140,063,071.20x = 19,546,203,468,238,545,747,968
  5. Step 5: Solve for x
    x = 19,546,203,468,238,545,747,968/161,140,063,071.20
  6. Step 6: Final answer
    x = 121,299,465,171.50

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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.