Home / 168,057,908.40-252,086,862.60-139,360,094.40

Finding the Fourth Proportional to 168,057,908.40, 252,086,862.60 and 139,360,094.40

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Solution

The fourth proportional to 168,057,908.40, 252,086,862.60 and 139,360,094.40 is: 209,040,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057,908.40 : 252,086,862.60 = 139,360,094.40 : x
  2. Step 2: Convert to fraction form
    168,057,908.40/252,086,862.60 = 139,360,094.40/x
  3. Step 3: Cross multiply
    168,057,908.40x = 252,086,862.60 × 139,360,094.40
  4. Step 4: Simplify right side
    168,057,908.40x = 35,130,848,968,935,832
  5. Step 5: Solve for x
    x = 35,130,848,968,935,832/168,057,908.40
  6. Step 6: Final answer
    x = 209,040,141.60

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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.