Home / 248,531,783.01-372,797,477.68-66,778,961.01

Finding the Fourth Proportional to 248,531,783.01, 372,797,477.68 and 66,778,961.01

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Solution

The fourth proportional to 248,531,783.01, 372,797,477.68 and 66,778,961.01 is: 100,168,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,531,783.01 : 372,797,477.68 = 66,778,961.01 : x
  2. Step 2: Convert to fraction form
    248,531,783.01/372,797,477.68 = 66,778,961.01/x
  3. Step 3: Cross multiply
    248,531,783.01x = 372,797,477.68 × 66,778,961.01
  4. Step 4: Simplify right side
    248,531,783.01x = 24,895,028,226,619,064
  5. Step 5: Solve for x
    x = 24,895,028,226,619,064/248,531,783.01
  6. Step 6: Final answer
    x = 100,168,388.63

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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.