Home / 153,908,364.81-231,092,914.42-133,222,958.06

Finding the Fourth Proportional to 153,908,364.81, 231,092,914.42 and 133,222,958.06

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Solution

The fourth proportional to 153,908,364.81, 231,092,914.42 and 133,222,958.06 is: 200,033,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,908,364.81 : 231,092,914.42 = 133,222,958.06 : x
  2. Step 2: Convert to fraction form
    153,908,364.81/231,092,914.42 = 133,222,958.06/x
  3. Step 3: Cross multiply
    153,908,364.81x = 231,092,914.42 × 133,222,958.06
  4. Step 4: Simplify right side
    153,908,364.81x = 30,786,881,645,399,260
  5. Step 5: Solve for x
    x = 30,786,881,645,399,260/153,908,364.81
  6. Step 6: Final answer
    x = 200,033,842.76

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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.