Home / 146,015,998.65-219,023,997.98-74,352,382.65

Finding the Fourth Proportional to 146,015,998.65, 219,023,997.98 and 74,352,382.65

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Solution

The fourth proportional to 146,015,998.65, 219,023,997.98 and 74,352,382.65 is: 111,528,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,015,998.65 : 219,023,997.98 = 74,352,382.65 : x
  2. Step 2: Convert to fraction form
    146,015,998.65/219,023,997.98 = 74,352,382.65/x
  3. Step 3: Cross multiply
    146,015,998.65x = 219,023,997.98 × 74,352,382.65
  4. Step 4: Simplify right side
    146,015,998.65x = 16,284,956,106,970,026
  5. Step 5: Solve for x
    x = 16,284,956,106,970,026/146,015,998.65
  6. Step 6: Final answer
    x = 111,528,573.98

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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.