Home / 248,345,999.70-372,518,999.55-243,244,166.10

Finding the Fourth Proportional to 248,345,999.70, 372,518,999.55 and 243,244,166.10

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Solution

The fourth proportional to 248,345,999.70, 372,518,999.55 and 243,244,166.10 is: 364,866,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,345,999.70 : 372,518,999.55 = 243,244,166.10 : x
  2. Step 2: Convert to fraction form
    248,345,999.70/372,518,999.55 = 243,244,166.10/x
  3. Step 3: Cross multiply
    248,345,999.70x = 372,518,999.55 × 243,244,166.10
  4. Step 4: Simplify right side
    248,345,999.70x = 90,613,073,401,946,032
  5. Step 5: Solve for x
    x = 90,613,073,401,946,032/248,345,999.70
  6. Step 6: Final answer
    x = 364,866,249.15

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1.5x scale

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.