Home / 87,540,411.42-120,820,769.19-50,892,240.06

Finding the Fourth Proportional to 87,540,411.42, 120,820,769.19 and 50,892,240.06

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Solution

The fourth proportional to 87,540,411.42, 120,820,769.19 and 50,892,240.06 is: 70,240,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,540,411.42 : 120,820,769.19 = 50,892,240.06 : x
  2. Step 2: Convert to fraction form
    87,540,411.42/120,820,769.19 = 50,892,240.06/x
  3. Step 3: Cross multiply
    87,540,411.42x = 120,820,769.19 × 50,892,240.06
  4. Step 4: Simplify right side
    87,540,411.42x = 6,148,839,589,851,332
  5. Step 5: Solve for x
    x = 6,148,839,589,851,332/87,540,411.42
  6. Step 6: Final answer
    x = 70,240,012.47

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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.