Home / 168,233,402.40-252,350,103.60-77,534,138.40

Finding the Fourth Proportional to 168,233,402.40, 252,350,103.60 and 77,534,138.40

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Solution

The fourth proportional to 168,233,402.40, 252,350,103.60 and 77,534,138.40 is: 116,301,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,233,402.40 : 252,350,103.60 = 77,534,138.40 : x
  2. Step 2: Convert to fraction form
    168,233,402.40/252,350,103.60 = 77,534,138.40/x
  3. Step 3: Cross multiply
    168,233,402.40x = 252,350,103.60 × 77,534,138.40
  4. Step 4: Simplify right side
    168,233,402.40x = 19,565,747,857,776,740
  5. Step 5: Solve for x
    x = 19,565,747,857,776,740/168,233,402.40
  6. Step 6: Final answer
    x = 116,301,207.60

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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.