Home / 57,810,917.08-79,780,530.30-31,706,474.20

Finding the Fourth Proportional to 57,810,917.08, 79,780,530.30 and 31,706,474.20

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Solution

The fourth proportional to 57,810,917.08, 79,780,530.30 and 31,706,474.20 is: 43,755,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,810,917.08 : 79,780,530.30 = 31,706,474.20 : x
  2. Step 2: Convert to fraction form
    57,810,917.08/79,780,530.30 = 31,706,474.20/x
  3. Step 3: Cross multiply
    57,810,917.08x = 79,780,530.30 × 31,706,474.20
  4. Step 4: Simplify right side
    57,810,917.08x = 2,529,559,325,619,268
  5. Step 5: Solve for x
    x = 2,529,559,325,619,268/57,810,917.08
  6. Step 6: Final answer
    x = 43,755,737.73

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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.