Home / 219,845,009.20-329,767,513.80-214,806,161.20

Finding the Fourth Proportional to 219,845,009.20, 329,767,513.80 and 214,806,161.20

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Solution

The fourth proportional to 219,845,009.20, 329,767,513.80 and 214,806,161.20 is: 322,209,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,845,009.20 : 329,767,513.80 = 214,806,161.20 : x
  2. Step 2: Convert to fraction form
    219,845,009.20/329,767,513.80 = 214,806,161.20/x
  3. Step 3: Cross multiply
    219,845,009.20x = 329,767,513.80 × 214,806,161.20
  4. Step 4: Simplify right side
    219,845,009.20x = 70,836,093,727,846,024
  5. Step 5: Solve for x
    x = 70,836,093,727,846,024/219,845,009.20
  6. Step 6: Final answer
    x = 322,209,241.80

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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.