Home / 57,898,513.52-79,901,336.80-31,437,982.56

Finding the Fourth Proportional to 57,898,513.52, 79,901,336.80 and 31,437,982.56

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Solution

The fourth proportional to 57,898,513.52, 79,901,336.80 and 31,437,982.56 is: 43,385,169.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,898,513.52 : 79,901,336.80 = 31,437,982.56 : x
  2. Step 2: Convert to fraction form
    57,898,513.52/79,901,336.80 = 31,437,982.56/x
  3. Step 3: Cross multiply
    57,898,513.52x = 79,901,336.80 × 31,437,982.56
  4. Step 4: Simplify right side
    57,898,513.52x = 2,511,936,832,839,086
  5. Step 5: Solve for x
    x = 2,511,936,832,839,086/57,898,513.52
  6. Step 6: Final answer
    x = 43,385,169.67

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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.