Home / 108,639,906.40-162,959,859.60-57,621,570.40

Finding the Fourth Proportional to 108,639,906.40, 162,959,859.60 and 57,621,570.40

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Solution

The fourth proportional to 108,639,906.40, 162,959,859.60 and 57,621,570.40 is: 86,432,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,639,906.40 : 162,959,859.60 = 57,621,570.40 : x
  2. Step 2: Convert to fraction form
    108,639,906.40/162,959,859.60 = 57,621,570.40/x
  3. Step 3: Cross multiply
    108,639,906.40x = 162,959,859.60 × 57,621,570.40
  4. Step 4: Simplify right side
    108,639,906.40x = 9,390,003,022,315,516
  5. Step 5: Solve for x
    x = 9,390,003,022,315,516/108,639,906.40
  6. Step 6: Final answer
    x = 86,432,355.60

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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.