Home / 214,424,213.95-320,824,674.19-127,032,648.94

Finding the Fourth Proportional to 214,424,213.95, 320,824,674.19 and 127,032,648.94

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Solution

The fourth proportional to 214,424,213.95, 320,824,674.19 and 127,032,648.94 is: 190,068,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,424,213.95 : 320,824,674.19 = 127,032,648.94 : x
  2. Step 2: Convert to fraction form
    214,424,213.95/320,824,674.19 = 127,032,648.94/x
  3. Step 3: Cross multiply
    214,424,213.95x = 320,824,674.19 × 127,032,648.94
  4. Step 4: Simplify right side
    214,424,213.95x = 40,755,208,207,668,144
  5. Step 5: Solve for x
    x = 40,755,208,207,668,144/214,424,213.95
  6. Step 6: Final answer
    x = 190,068,124.57

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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.