Home / 243,808,655.84-365,690,588.56-82,251,991.52

Finding the Fourth Proportional to 243,808,655.84, 365,690,588.56 and 82,251,991.52

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Solution

The fourth proportional to 243,808,655.84, 365,690,588.56 and 82,251,991.52 is: 123,370,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,808,655.84 : 365,690,588.56 = 82,251,991.52 : x
  2. Step 2: Convert to fraction form
    243,808,655.84/365,690,588.56 = 82,251,991.52/x
  3. Step 3: Cross multiply
    243,808,655.84x = 365,690,588.56 × 82,251,991.52
  4. Step 4: Simplify right side
    243,808,655.84x = 30,078,779,189,180,928
  5. Step 5: Solve for x
    x = 30,078,779,189,180,928/243,808,655.84
  6. Step 6: Final answer
    x = 123,370,431.97

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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.