Home / 210,361,164.35-290,299,865.96-117,545,584.19

Finding the Fourth Proportional to 210,361,164.35, 290,299,865.96 and 117,545,584.19

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Solution

The fourth proportional to 210,361,164.35, 290,299,865.96 and 117,545,584.19 is: 162,213,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,361,164.35 : 290,299,865.96 = 117,545,584.19 : x
  2. Step 2: Convert to fraction form
    210,361,164.35/290,299,865.96 = 117,545,584.19/x
  3. Step 3: Cross multiply
    210,361,164.35x = 290,299,865.96 × 117,545,584.19
  4. Step 4: Simplify right side
    210,361,164.35x = 34,123,467,333,389,256
  5. Step 5: Solve for x
    x = 34,123,467,333,389,256/210,361,164.35
  6. Step 6: Final answer
    x = 162,213,721.53

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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.