Home / 262,254,808.78-361,902,156.12-144,777,621.54

Finding the Fourth Proportional to 262,254,808.78, 361,902,156.12 and 144,777,621.54

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Solution

The fourth proportional to 262,254,808.78, 361,902,156.12 and 144,777,621.54 is: 199,787,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,254,808.78 : 361,902,156.12 = 144,777,621.54 : x
  2. Step 2: Convert to fraction form
    262,254,808.78/361,902,156.12 = 144,777,621.54/x
  3. Step 3: Cross multiply
    262,254,808.78x = 361,902,156.12 × 144,777,621.54
  4. Step 4: Simplify right side
    262,254,808.78x = 52,395,333,391,441,840
  5. Step 5: Solve for x
    x = 52,395,333,391,441,840/262,254,808.78
  6. Step 6: Final answer
    x = 199,787,884.29

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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.