Home / 108,753,610.40-163,130,415.60-76,441,997.60

Finding the Fourth Proportional to 108,753,610.40, 163,130,415.60 and 76,441,997.60

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Solution

The fourth proportional to 108,753,610.40, 163,130,415.60 and 76,441,997.60 is: 114,662,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,753,610.40 : 163,130,415.60 = 76,441,997.60 : x
  2. Step 2: Convert to fraction form
    108,753,610.40/163,130,415.60 = 76,441,997.60/x
  3. Step 3: Cross multiply
    108,753,610.40x = 163,130,415.60 × 76,441,997.60
  4. Step 4: Simplify right side
    108,753,610.40x = 12,470,014,837,782,202
  5. Step 5: Solve for x
    x = 12,470,014,837,782,202/108,753,610.40
  6. Step 6: Final answer
    x = 114,662,996.40

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1.5x scale

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.