Home / 188,820,712.33-258,685,298.64-181,743,763.19

Finding the Fourth Proportional to 188,820,712.33, 258,685,298.64 and 181,743,763.19

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Solution

The fourth proportional to 188,820,712.33, 258,685,298.64 and 181,743,763.19 is: 248,989,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,820,712.33 : 258,685,298.64 = 181,743,763.19 : x
  2. Step 2: Convert to fraction form
    188,820,712.33/258,685,298.64 = 181,743,763.19/x
  3. Step 3: Cross multiply
    188,820,712.33x = 258,685,298.64 × 181,743,763.19
  4. Step 4: Simplify right side
    188,820,712.33x = 47,014,439,655,689,768
  5. Step 5: Solve for x
    x = 47,014,439,655,689,768/188,820,712.33
  6. Step 6: Final answer
    x = 248,989,843.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.