Home / 57,129,734.75-78,863,166.32-38,570,012.73

Finding the Fourth Proportional to 57,129,734.75, 78,863,166.32 and 38,570,012.73

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Solution

The fourth proportional to 57,129,734.75, 78,863,166.32 and 38,570,012.73 is: 53,242,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,129,734.75 : 78,863,166.32 = 38,570,012.73 : x
  2. Step 2: Convert to fraction form
    57,129,734.75/78,863,166.32 = 38,570,012.73/x
  3. Step 3: Cross multiply
    57,129,734.75x = 78,863,166.32 × 38,570,012.73
  4. Step 4: Simplify right side
    57,129,734.75x = 3,041,753,328,697,657
  5. Step 5: Solve for x
    x = 3,041,753,328,697,657/57,129,734.75
  6. Step 6: Final answer
    x = 53,242,910.06

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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.