Home / 55,451,385.90-76,517,777.18-30,671,039.50

Finding the Fourth Proportional to 55,451,385.90, 76,517,777.18 and 30,671,039.50

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Solution

The fourth proportional to 55,451,385.90, 76,517,777.18 and 30,671,039.50 is: 42,323,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451,385.90 : 76,517,777.18 = 30,671,039.50 : x
  2. Step 2: Convert to fraction form
    55,451,385.90/76,517,777.18 = 30,671,039.50/x
  3. Step 3: Cross multiply
    55,451,385.90x = 76,517,777.18 × 30,671,039.50
  4. Step 4: Simplify right side
    55,451,385.90x = 2,346,879,766,339,979
  5. Step 5: Solve for x
    x = 2,346,879,766,339,979/55,451,385.90
  6. Step 6: Final answer
    x = 42,323,194.06

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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.