Home / 192,728,489,312.55-265,971,693,656.02-105,924,135,861.57

Finding the Fourth Proportional to 192,728,489,312.55, 265,971,693,656.02 and 105,924,135,861.57

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Solution

The fourth proportional to 192,728,489,312.55, 265,971,693,656.02 and 105,924,135,861.57 is: 146,178,813,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,728,489,312.55 : 265,971,693,656.02 = 105,924,135,861.57 : x
  2. Step 2: Convert to fraction form
    192,728,489,312.55/265,971,693,656.02 = 105,924,135,861.57/x
  3. Step 3: Cross multiply
    192,728,489,312.55x = 265,971,693,656.02 × 105,924,135,861.57
  4. Step 4: Simplify right side
    192,728,489,312.55x = 28,172,821,814,152,137,801,728
  5. Step 5: Solve for x
    x = 28,172,821,814,152,137,801,728/192,728,489,312.55
  6. Step 6: Final answer
    x = 146,178,813,078.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.