Home / 54,337,005,513.79-81,542,738,841.75-18,964,360,921.69

Finding the Fourth Proportional to 54,337,005,513.79, 81,542,738,841.75 and 18,964,360,921.69

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Solution

The fourth proportional to 54,337,005,513.79, 81,542,738,841.75 and 18,964,360,921.69 is: 28,459,535,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337,005,513.79 : 81,542,738,841.75 = 18,964,360,921.69 : x
  2. Step 2: Convert to fraction form
    54,337,005,513.79/81,542,738,841.75 = 18,964,360,921.69/x
  3. Step 3: Cross multiply
    54,337,005,513.79x = 81,542,738,841.75 × 18,964,360,921.69
  4. Step 4: Simplify right side
    54,337,005,513.79x = 1,546,405,929,937,798,955,008
  5. Step 5: Solve for x
    x = 1,546,405,929,937,798,955,008/54,337,005,513.79
  6. Step 6: Final answer
    x = 28,459,535,362.97

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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.