Home / 56,205,500.92-77,520,796.86-48,378,334.84

Finding the Fourth Proportional to 56,205,500.92, 77,520,796.86 and 48,378,334.84

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Solution

The fourth proportional to 56,205,500.92, 77,520,796.86 and 48,378,334.84 is: 66,725,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,205,500.92 : 77,520,796.86 = 48,378,334.84 : x
  2. Step 2: Convert to fraction form
    56,205,500.92/77,520,796.86 = 48,378,334.84/x
  3. Step 3: Cross multiply
    56,205,500.92x = 77,520,796.86 × 48,378,334.84
  4. Step 4: Simplify right side
    56,205,500.92x = 3,750,327,067,556,701
  5. Step 5: Solve for x
    x = 3,750,327,067,556,701/56,205,500.92
  6. Step 6: Final answer
    x = 66,725,267.21

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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.