Home / 214,966,936.80-322,387,935.84-83,780,015.20

Finding the Fourth Proportional to 214,966,936.80, 322,387,935.84 and 83,780,015.20

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Solution

The fourth proportional to 214,966,936.80, 322,387,935.84 and 83,780,015.20 is: 125,645,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,966,936.80 : 322,387,935.84 = 83,780,015.20 : x
  2. Step 2: Convert to fraction form
    214,966,936.80/322,387,935.84 = 83,780,015.20/x
  3. Step 3: Cross multiply
    214,966,936.80x = 322,387,935.84 × 83,780,015.20
  4. Step 4: Simplify right side
    214,966,936.80x = 27,009,666,164,971,824
  5. Step 5: Solve for x
    x = 27,009,666,164,971,824/214,966,936.80
  6. Step 6: Final answer
    x = 125,645,676.34

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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.