Home / 54,462,783.60-81,694,175.40-19,919,118.60

Finding the Fourth Proportional to 54,462,783.60, 81,694,175.40 and 19,919,118.60

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Solution

The fourth proportional to 54,462,783.60, 81,694,175.40 and 19,919,118.60 is: 29,878,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,462,783.60 : 81,694,175.40 = 19,919,118.60 : x
  2. Step 2: Convert to fraction form
    54,462,783.60/81,694,175.40 = 19,919,118.60/x
  3. Step 3: Cross multiply
    54,462,783.60x = 81,694,175.40 × 19,919,118.60
  4. Step 4: Simplify right side
    54,462,783.60x = 1,627,275,968,721,802.75
  5. Step 5: Solve for x
    x = 1,627,275,968,721,802.75/54,462,783.60
  6. Step 6: Final answer
    x = 29,878,677.90

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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.