Home / 150,936,975.31-208,288,201.39-84,860,269.51

Finding the Fourth Proportional to 150,936,975.31, 208,288,201.39 and 84,860,269.51

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Solution

The fourth proportional to 150,936,975.31, 208,288,201.39 and 84,860,269.51 is: 117,104,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,936,975.31 : 208,288,201.39 = 84,860,269.51 : x
  2. Step 2: Convert to fraction form
    150,936,975.31/208,288,201.39 = 84,860,269.51/x
  3. Step 3: Cross multiply
    150,936,975.31x = 208,288,201.39 × 84,860,269.51
  4. Step 4: Simplify right side
    150,936,975.31x = 17,675,392,905,708,556
  5. Step 5: Solve for x
    x = 17,675,392,905,708,556/150,936,975.31
  6. Step 6: Final answer
    x = 117,104,459.46

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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.