Home / 108,722,022.18-163,082,987.91-39,639,999.30

Finding the Fourth Proportional to 108,722,022.18, 163,082,987.91 and 39,639,999.30

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Solution

The fourth proportional to 108,722,022.18, 163,082,987.91 and 39,639,999.30 is: 59,459,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,722,022.18 : 163,082,987.91 = 39,639,999.30 : x
  2. Step 2: Convert to fraction form
    108,722,022.18/163,082,987.91 = 39,639,999.30/x
  3. Step 3: Cross multiply
    108,722,022.18x = 163,082,987.91 × 39,639,999.30
  4. Step 4: Simplify right side
    108,722,022.18x = 6,464,609,526,594,308
  5. Step 5: Solve for x
    x = 6,464,609,526,594,308/108,722,022.18
  6. Step 6: Final answer
    x = 59,459,982.41

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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.