Home / 100,661,392.53-138,911,401.44-56,608,377.75

Finding the Fourth Proportional to 100,661,392.53, 138,911,401.44 and 56,608,377.75

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Solution

The fourth proportional to 100,661,392.53, 138,911,401.44 and 56,608,377.75 is: 78,118,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,661,392.53 : 138,911,401.44 = 56,608,377.75 : x
  2. Step 2: Convert to fraction form
    100,661,392.53/138,911,401.44 = 56,608,377.75/x
  3. Step 3: Cross multiply
    100,661,392.53x = 138,911,401.44 × 56,608,377.75
  4. Step 4: Simplify right side
    100,661,392.53x = 7,863,549,086,497,414
  5. Step 5: Solve for x
    x = 7,863,549,086,497,414/100,661,392.53
  6. Step 6: Final answer
    x = 78,118,818.83

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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.