Home / 192,745,440,307.30-265,991,117,904.21-105,947,486,591.12

Finding the Fourth Proportional to 192,745,440,307.30, 265,991,117,904.21 and 105,947,486,591.12

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Solution

The fourth proportional to 192,745,440,307.30, 265,991,117,904.21 and 105,947,486,591.12 is: 146,208,856,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,745,440,307.30 : 265,991,117,904.21 = 105,947,486,591.12 : x
  2. Step 2: Convert to fraction form
    192,745,440,307.30/265,991,117,904.21 = 105,947,486,591.12/x
  3. Step 3: Cross multiply
    192,745,440,307.30x = 265,991,117,904.21 × 105,947,486,591.12
  4. Step 4: Simplify right side
    192,745,440,307.30x = 28,181,090,397,513,303,719,936
  5. Step 5: Solve for x
    x = 28,181,090,397,513,303,719,936/192,745,440,307.30
  6. Step 6: Final answer
    x = 146,208,856,368.19

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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.