Home / 196,690,666.60-295,035,999.90-105,991,402.60

Finding the Fourth Proportional to 196,690,666.60, 295,035,999.90 and 105,991,402.60

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Solution

The fourth proportional to 196,690,666.60, 295,035,999.90 and 105,991,402.60 is: 158,987,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,690,666.60 : 295,035,999.90 = 105,991,402.60 : x
  2. Step 2: Convert to fraction form
    196,690,666.60/295,035,999.90 = 105,991,402.60/x
  3. Step 3: Cross multiply
    196,690,666.60x = 295,035,999.90 × 105,991,402.60
  4. Step 4: Simplify right side
    196,690,666.60x = 31,271,279,446,894,456
  5. Step 5: Solve for x
    x = 31,271,279,446,894,456/196,690,666.60
  6. Step 6: Final answer
    x = 158,987,103.90

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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.