Home / 124,969,791.48-172,445,183.18-69,213,751.10

Finding the Fourth Proportional to 124,969,791.48, 172,445,183.18 and 69,213,751.10

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Solution

The fourth proportional to 124,969,791.48, 172,445,183.18 and 69,213,751.10 is: 95,507,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969,791.48 : 172,445,183.18 = 69,213,751.10 : x
  2. Step 2: Convert to fraction form
    124,969,791.48/172,445,183.18 = 69,213,751.10/x
  3. Step 3: Cross multiply
    124,969,791.48x = 172,445,183.18 × 69,213,751.10
  4. Step 4: Simplify right side
    124,969,791.48x = 11,935,577,987,014,426
  5. Step 5: Solve for x
    x = 11,935,577,987,014,426/124,969,791.48
  6. Step 6: Final answer
    x = 95,507,705.07

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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.