Home / 135,978,920,006.40-203,968,380,009.60-107,571,910,521.60

Finding the Fourth Proportional to 135,978,920,006.40, 203,968,380,009.60 and 107,571,910,521.60

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Solution

The fourth proportional to 135,978,920,006.40, 203,968,380,009.60 and 107,571,910,521.60 is: 161,357,865,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,978,920,006.40 : 203,968,380,009.60 = 107,571,910,521.60 : x
  2. Step 2: Convert to fraction form
    135,978,920,006.40/203,968,380,009.60 = 107,571,910,521.60/x
  3. Step 3: Cross multiply
    135,978,920,006.40x = 203,968,380,009.60 × 107,571,910,521.60
  4. Step 4: Simplify right side
    135,978,920,006.40x = 21,941,268,323,628,398,673,920
  5. Step 5: Solve for x
    x = 21,941,268,323,628,398,673,920/135,978,920,006.40
  6. Step 6: Final answer
    x = 161,357,865,782.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.