Home / 108,395,963.70-162,540,145.35-39,306,009.30

Finding the Fourth Proportional to 108,395,963.70, 162,540,145.35 and 39,306,009.30

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Solution

The fourth proportional to 108,395,963.70, 162,540,145.35 and 39,306,009.30 is: 58,939,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,395,963.70 : 162,540,145.35 = 39,306,009.30 : x
  2. Step 2: Convert to fraction form
    108,395,963.70/162,540,145.35 = 39,306,009.30/x
  3. Step 3: Cross multiply
    108,395,963.70x = 162,540,145.35 × 39,306,009.30
  4. Step 4: Simplify right side
    108,395,963.70x = 6,388,804,464,750,451
  5. Step 5: Solve for x
    x = 6,388,804,464,750,451/108,395,963.70
  6. Step 6: Final answer
    x = 58,939,505.19

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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.