Home / 100,109,248-138,150,762.24-54,324,160

Finding the Fourth Proportional to 100,109,248, 138,150,762.24 and 54,324,160

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Solution

The fourth proportional to 100,109,248, 138,150,762.24 and 54,324,160 is: 74,967,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,109,248 : 138,150,762.24 = 54,324,160 : x
  2. Step 2: Convert to fraction form
    100,109,248/138,150,762.24 = 54,324,160/x
  3. Step 3: Cross multiply
    100,109,248x = 138,150,762.24 × 54,324,160
  4. Step 4: Simplify right side
    100,109,248x = 7,504,924,112,047,719
  5. Step 5: Solve for x
    x = 7,504,924,112,047,719/100,109,248
  6. Step 6: Final answer
    x = 74,967,340.80

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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.