Home / 201,397,447.40-301,919,024.10-136,490,786.60

Finding the Fourth Proportional to 201,397,447.40, 301,919,024.10 and 136,490,786.60

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Solution

The fourth proportional to 201,397,447.40, 301,919,024.10 and 136,490,786.60 is: 204,616,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,447.40 : 301,919,024.10 = 136,490,786.60 : x
  2. Step 2: Convert to fraction form
    201,397,447.40/301,919,024.10 = 136,490,786.60/x
  3. Step 3: Cross multiply
    201,397,447.40x = 301,919,024.10 × 136,490,786.60
  4. Step 4: Simplify right side
    201,397,447.40x = 41,209,165,088,913,360
  5. Step 5: Solve for x
    x = 41,209,165,088,913,360/201,397,447.40
  6. Step 6: Final answer
    x = 204,616,124.09

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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.