Home / 174,967,982.40-262,242,021.60-120,380,462.40

Finding the Fourth Proportional to 174,967,982.40, 262,242,021.60 and 120,380,462.40

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Solution

The fourth proportional to 174,967,982.40, 262,242,021.60 and 120,380,462.40 is: 180,426,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,967,982.40 : 262,242,021.60 = 120,380,462.40 : x
  2. Step 2: Convert to fraction form
    174,967,982.40/262,242,021.60 = 120,380,462.40/x
  3. Step 3: Cross multiply
    174,967,982.40x = 262,242,021.60 × 120,380,462.40
  4. Step 4: Simplify right side
    174,967,982.40x = 31,568,815,820,918,788
  5. Step 5: Solve for x
    x = 31,568,815,820,918,788/174,967,982.40
  6. Step 6: Final answer
    x = 180,426,243.64

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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.