Home / 214,424,201.70-320,824,655.82-127,032,636.69

Finding the Fourth Proportional to 214,424,201.70, 320,824,655.82 and 127,032,636.69

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Solution

The fourth proportional to 214,424,201.70, 320,824,655.82 and 127,032,636.69 is: 190,068,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,424,201.70 : 320,824,655.82 = 127,032,636.69 : x
  2. Step 2: Convert to fraction form
    214,424,201.70/320,824,655.82 = 127,032,636.69/x
  3. Step 3: Cross multiply
    214,424,201.70x = 320,824,655.82 × 127,032,636.69
  4. Step 4: Simplify right side
    214,424,201.70x = 40,755,201,943,976,352
  5. Step 5: Solve for x
    x = 40,755,201,943,976,352/214,424,201.70
  6. Step 6: Final answer
    x = 190,068,106.22

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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.