Home / 74,529,885.06-111,796,323.57-19,942,384.23

Finding the Fourth Proportional to 74,529,885.06, 111,796,323.57 and 19,942,384.23

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Solution

The fourth proportional to 74,529,885.06, 111,796,323.57 and 19,942,384.23 is: 29,913,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529,885.06 : 111,796,323.57 = 19,942,384.23 : x
  2. Step 2: Convert to fraction form
    74,529,885.06/111,796,323.57 = 19,942,384.23/x
  3. Step 3: Cross multiply
    74,529,885.06x = 111,796,323.57 × 19,942,384.23
  4. Step 4: Simplify right side
    74,529,885.06x = 2,229,485,240,134,345.25
  5. Step 5: Solve for x
    x = 2,229,485,240,134,345.25/74,529,885.06
  6. Step 6: Final answer
    x = 29,913,976.63

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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.