Home / 47,934,145.80-71,901,218.70-19,184,718.60

Finding the Fourth Proportional to 47,934,145.80, 71,901,218.70 and 19,184,718.60

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Solution

The fourth proportional to 47,934,145.80, 71,901,218.70 and 19,184,718.60 is: 28,777,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934,145.80 : 71,901,218.70 = 19,184,718.60 : x
  2. Step 2: Convert to fraction form
    47,934,145.80/71,901,218.70 = 19,184,718.60/x
  3. Step 3: Cross multiply
    47,934,145.80x = 71,901,218.70 × 19,184,718.60
  4. Step 4: Simplify right side
    47,934,145.80x = 1,379,404,647,756,558
  5. Step 5: Solve for x
    x = 1,379,404,647,756,558/47,934,145.80
  6. Step 6: Final answer
    x = 28,777,077.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.