Home / 345,431,840.46-518,290,977.33-151,243,025.10

Finding the Fourth Proportional to 345,431,840.46, 518,290,977.33 and 151,243,025.10

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Solution

The fourth proportional to 345,431,840.46, 518,290,977.33 and 151,243,025.10 is: 226,927,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,431,840.46 : 518,290,977.33 = 151,243,025.10 : x
  2. Step 2: Convert to fraction form
    345,431,840.46/518,290,977.33 = 151,243,025.10/x
  3. Step 3: Cross multiply
    345,431,840.46x = 518,290,977.33 × 151,243,025.10
  4. Step 4: Simplify right side
    345,431,840.46x = 78,387,895,293,424,720
  5. Step 5: Solve for x
    x = 78,387,895,293,424,720/345,431,840.46
  6. Step 6: Final answer
    x = 226,927,243.27

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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.