Home / 195,070,812.97-268,937,308.78-154,969,861.93

Finding the Fourth Proportional to 195,070,812.97, 268,937,308.78 and 154,969,861.93

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Solution

The fourth proportional to 195,070,812.97, 268,937,308.78 and 154,969,861.93 is: 213,651,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,070,812.97 : 268,937,308.78 = 154,969,861.93 : x
  2. Step 2: Convert to fraction form
    195,070,812.97/268,937,308.78 = 154,969,861.93/x
  3. Step 3: Cross multiply
    195,070,812.97x = 268,937,308.78 × 154,969,861.93
  4. Step 4: Simplify right side
    195,070,812.97x = 41,677,177,608,402,608
  5. Step 5: Solve for x
    x = 41,677,177,608,402,608/195,070,812.97
  6. Step 6: Final answer
    x = 213,651,529.79

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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.