Home / 52,820,471.28-72,890,843.89-30,492,703.78

Finding the Fourth Proportional to 52,820,471.28, 72,890,843.89 and 30,492,703.78

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Solution

The fourth proportional to 52,820,471.28, 72,890,843.89 and 30,492,703.78 is: 42,079,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,820,471.28 : 72,890,843.89 = 30,492,703.78 : x
  2. Step 2: Convert to fraction form
    52,820,471.28/72,890,843.89 = 30,492,703.78/x
  3. Step 3: Cross multiply
    52,820,471.28x = 72,890,843.89 × 30,492,703.78
  4. Step 4: Simplify right side
    52,820,471.28x = 2,222,638,910,905,997.50
  5. Step 5: Solve for x
    x = 2,222,638,910,905,997.50/52,820,471.28
  6. Step 6: Final answer
    x = 42,079,119.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.