Home / 108,867,991.20-163,195,698.60-97,388,865.60

Finding the Fourth Proportional to 108,867,991.20, 163,195,698.60 and 97,388,865.60

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Solution

The fourth proportional to 108,867,991.20, 163,195,698.60 and 97,388,865.60 is: 145,988,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,991.20 : 163,195,698.60 = 97,388,865.60 : x
  2. Step 2: Convert to fraction form
    108,867,991.20/163,195,698.60 = 97,388,865.60/x
  3. Step 3: Cross multiply
    108,867,991.20x = 163,195,698.60 × 97,388,865.60
  4. Step 4: Simplify right side
    108,867,991.20x = 15,893,443,957,453,506
  5. Step 5: Solve for x
    x = 15,893,443,957,453,506/108,867,991.20
  6. Step 6: Final answer
    x = 145,988,217.31

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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.