Home / 56,783,135.22-78,360,728.90-30,677,652.96

Finding the Fourth Proportional to 56,783,135.22, 78,360,728.90 and 30,677,652.96

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Solution

The fourth proportional to 56,783,135.22, 78,360,728.90 and 30,677,652.96 is: 42,335,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,783,135.22 : 78,360,728.90 = 30,677,652.96 : x
  2. Step 2: Convert to fraction form
    56,783,135.22/78,360,728.90 = 30,677,652.96/x
  3. Step 3: Cross multiply
    56,783,135.22x = 78,360,728.90 × 30,677,652.96
  4. Step 4: Simplify right side
    56,783,135.22x = 2,403,923,246,886,843
  5. Step 5: Solve for x
    x = 2,403,923,246,886,843/56,783,135.22
  6. Step 6: Final answer
    x = 42,335,162.33

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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.