Home / 141,743,348.70-212,615,023.05-121,336,014.30

Finding the Fourth Proportional to 141,743,348.70, 212,615,023.05 and 121,336,014.30

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Solution

The fourth proportional to 141,743,348.70, 212,615,023.05 and 121,336,014.30 is: 182,004,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,743,348.70 : 212,615,023.05 = 121,336,014.30 : x
  2. Step 2: Convert to fraction form
    141,743,348.70/212,615,023.05 = 121,336,014.30/x
  3. Step 3: Cross multiply
    141,743,348.70x = 212,615,023.05 × 121,336,014.30
  4. Step 4: Simplify right side
    141,743,348.70x = 25,797,859,477,189,632
  5. Step 5: Solve for x
    x = 25,797,859,477,189,632/141,743,348.70
  6. Step 6: Final answer
    x = 182,004,021.45

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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.