Home / 108,876,645.40-163,314,968.10-68,565,861.40

Finding the Fourth Proportional to 108,876,645.40, 163,314,968.10 and 68,565,861.40

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Solution

The fourth proportional to 108,876,645.40, 163,314,968.10 and 68,565,861.40 is: 102,848,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,876,645.40 : 163,314,968.10 = 68,565,861.40 : x
  2. Step 2: Convert to fraction form
    108,876,645.40/163,314,968.10 = 68,565,861.40/x
  3. Step 3: Cross multiply
    108,876,645.40x = 163,314,968.10 × 68,565,861.40
  4. Step 4: Simplify right side
    108,876,645.40x = 11,197,831,467,290,022
  5. Step 5: Solve for x
    x = 11,197,831,467,290,022/108,876,645.40
  6. Step 6: Final answer
    x = 102,848,792.10

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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.