Home / 57,134,890.03-78,846,611.49-31,029,594.73

Finding the Fourth Proportional to 57,134,890.03, 78,846,611.49 and 31,029,594.73

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Solution

The fourth proportional to 57,134,890.03, 78,846,611.49 and 31,029,594.73 is: 42,821,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,134,890.03 : 78,846,611.49 = 31,029,594.73 : x
  2. Step 2: Convert to fraction form
    57,134,890.03/78,846,611.49 = 31,029,594.73/x
  3. Step 3: Cross multiply
    57,134,890.03x = 78,846,611.49 × 31,029,594.73
  4. Step 4: Simplify right side
    57,134,890.03x = 2,446,578,400,368,461.50
  5. Step 5: Solve for x
    x = 2,446,578,400,368,461.50/57,134,890.03
  6. Step 6: Final answer
    x = 42,821,092.31

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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.