Home / 196,990,838.40-295,486,257.60-60,658,507.20

Finding the Fourth Proportional to 196,990,838.40, 295,486,257.60 and 60,658,507.20

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Solution

The fourth proportional to 196,990,838.40, 295,486,257.60 and 60,658,507.20 is: 90,987,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,990,838.40 : 295,486,257.60 = 60,658,507.20 : x
  2. Step 2: Convert to fraction form
    196,990,838.40/295,486,257.60 = 60,658,507.20/x
  3. Step 3: Cross multiply
    196,990,838.40x = 295,486,257.60 × 60,658,507.20
  4. Step 4: Simplify right side
    196,990,838.40x = 17,923,755,284,130,658
  5. Step 5: Solve for x
    x = 17,923,755,284,130,658/196,990,838.40
  6. Step 6: Final answer
    x = 90,987,760.80

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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.