Home / 87,509,967.30-120,763,506.96-48,351,465.27

Finding the Fourth Proportional to 87,509,967.30, 120,763,506.96 and 48,351,465.27

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Solution

The fourth proportional to 87,509,967.30, 120,763,506.96 and 48,351,465.27 is: 66,724,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,509,967.30 : 120,763,506.96 = 48,351,465.27 : x
  2. Step 2: Convert to fraction form
    87,509,967.30/120,763,506.96 = 48,351,465.27/x
  3. Step 3: Cross multiply
    87,509,967.30x = 120,763,506.96 × 48,351,465.27
  4. Step 4: Simplify right side
    87,509,967.30x = 5,839,092,512,659,843
  5. Step 5: Solve for x
    x = 5,839,092,512,659,843/87,509,967.30
  6. Step 6: Final answer
    x = 66,724,885.09

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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.