Home / 217,780,099.49-300,532,736.75-118,661,667.34

Finding the Fourth Proportional to 217,780,099.49, 300,532,736.75 and 118,661,667.34

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Solution

The fourth proportional to 217,780,099.49, 300,532,736.75 and 118,661,667.34 is: 163,751,030.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,780,099.49 : 300,532,736.75 = 118,661,667.34 : x
  2. Step 2: Convert to fraction form
    217,780,099.49/300,532,736.75 = 118,661,667.34/x
  3. Step 3: Cross multiply
    217,780,099.49x = 300,532,736.75 × 118,661,667.34
  4. Step 4: Simplify right side
    217,780,099.49x = 35,661,715,631,663,656
  5. Step 5: Solve for x
    x = 35,661,715,631,663,656/217,780,099.49
  6. Step 6: Final answer
    x = 163,751,030.13

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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.