Home / 43,228,141.52-64,864,562.84-18,984,109.20

Finding the Fourth Proportional to 43,228,141.52, 64,864,562.84 and 18,984,109.20

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Solution

The fourth proportional to 43,228,141.52, 64,864,562.84 and 18,984,109.20 is: 28,485,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228,141.52 : 64,864,562.84 = 18,984,109.20 : x
  2. Step 2: Convert to fraction form
    43,228,141.52/64,864,562.84 = 18,984,109.20/x
  3. Step 3: Cross multiply
    43,228,141.52x = 64,864,562.84 × 18,984,109.20
  4. Step 4: Simplify right side
    43,228,141.52x = 1,231,395,944,164,822.25
  5. Step 5: Solve for x
    x = 1,231,395,944,164,822.25/43,228,141.52
  6. Step 6: Final answer
    x = 28,485,979.29

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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.