Home / 53,467,907.20-80,373,102.90-49,676,961.40

Finding the Fourth Proportional to 53,467,907.20, 80,373,102.90 and 49,676,961.40

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Solution

The fourth proportional to 53,467,907.20, 80,373,102.90 and 49,676,961.40 is: 74,674,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,467,907.20 : 80,373,102.90 = 49,676,961.40 : x
  2. Step 2: Convert to fraction form
    53,467,907.20/80,373,102.90 = 49,676,961.40/x
  3. Step 3: Cross multiply
    53,467,907.20x = 80,373,102.90 × 49,676,961.40
  4. Step 4: Simplify right side
    53,467,907.20x = 3,992,691,530,361,528
  5. Step 5: Solve for x
    x = 3,992,691,530,361,528/53,467,907.20
  6. Step 6: Final answer
    x = 74,674,542.91

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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.