Home / 72,667,992.10-109,022,983.35-21,551,241.10

Finding the Fourth Proportional to 72,667,992.10, 109,022,983.35 and 21,551,241.10

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Solution

The fourth proportional to 72,667,992.10, 109,022,983.35 and 21,551,241.10 is: 32,333,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,667,992.10 : 109,022,983.35 = 21,551,241.10 : x
  2. Step 2: Convert to fraction form
    72,667,992.10/109,022,983.35 = 21,551,241.10/x
  3. Step 3: Cross multiply
    72,667,992.10x = 109,022,983.35 × 21,551,241.10
  4. Step 4: Simplify right side
    72,667,992.10x = 2,349,580,599,617,135.50
  5. Step 5: Solve for x
    x = 2,349,580,599,617,135.50/72,667,992.10
  6. Step 6: Final answer
    x = 32,333,088.22

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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.