Home / 74,014,353.20-111,021,529.80-19,426,833.20

Finding the Fourth Proportional to 74,014,353.20, 111,021,529.80 and 19,426,833.20

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Solution

The fourth proportional to 74,014,353.20, 111,021,529.80 and 19,426,833.20 is: 29,140,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,014,353.20 : 111,021,529.80 = 19,426,833.20 : x
  2. Step 2: Convert to fraction form
    74,014,353.20/111,021,529.80 = 19,426,833.20/x
  3. Step 3: Cross multiply
    74,014,353.20x = 111,021,529.80 × 19,426,833.20
  4. Step 4: Simplify right side
    74,014,353.20x = 2,156,796,741,033,429.25
  5. Step 5: Solve for x
    x = 2,156,796,741,033,429.25/74,014,353.20
  6. Step 6: Final answer
    x = 29,140,249.80

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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.