Home / 210,200,032.40-290,212,536.84-188,135,321.36

Finding the Fourth Proportional to 210,200,032.40, 290,212,536.84 and 188,135,321.36

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Solution

The fourth proportional to 210,200,032.40, 290,212,536.84 and 188,135,321.36 is: 259,748,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200,032.40 : 290,212,536.84 = 188,135,321.36 : x
  2. Step 2: Convert to fraction form
    210,200,032.40/290,212,536.84 = 188,135,321.36/x
  3. Step 3: Cross multiply
    210,200,032.40x = 290,212,536.84 × 188,135,321.36
  4. Step 4: Simplify right side
    210,200,032.40x = 54,599,228,881,094,240
  5. Step 5: Solve for x
    x = 54,599,228,881,094,240/210,200,032.40
  6. Step 6: Final answer
    x = 259,748,908.02

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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.