Home / 214,424,209.70-320,824,667.82-127,032,644.70

Finding the Fourth Proportional to 214,424,209.70, 320,824,667.82 and 127,032,644.70

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Solution

The fourth proportional to 214,424,209.70, 320,824,667.82 and 127,032,644.70 is: 190,068,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,424,209.70 : 320,824,667.82 = 127,032,644.70 : x
  2. Step 2: Convert to fraction form
    214,424,209.70/320,824,667.82 = 127,032,644.70/x
  3. Step 3: Cross multiply
    214,424,209.70x = 320,824,667.82 × 127,032,644.70
  4. Step 4: Simplify right side
    214,424,209.70x = 40,755,206,038,173,584
  5. Step 5: Solve for x
    x = 40,755,206,038,173,584/214,424,209.70
  6. Step 6: Final answer
    x = 190,068,118.22

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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.