Home / 146,431,115.65-202,074,385.05-80,352,719.48

Finding the Fourth Proportional to 146,431,115.65, 202,074,385.05 and 80,352,719.48

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Solution

The fourth proportional to 146,431,115.65, 202,074,385.05 and 80,352,719.48 is: 110,886,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,431,115.65 : 202,074,385.05 = 80,352,719.48 : x
  2. Step 2: Convert to fraction form
    146,431,115.65/202,074,385.05 = 80,352,719.48/x
  3. Step 3: Cross multiply
    146,431,115.65x = 202,074,385.05 × 80,352,719.48
  4. Step 4: Simplify right side
    146,431,115.65x = 16,237,226,376,016,158
  5. Step 5: Solve for x
    x = 16,237,226,376,016,158/146,431,115.65
  6. Step 6: Final answer
    x = 110,886,448.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.