Home / 50,420,724.71-69,583,566.09-30,845,365.20

Finding the Fourth Proportional to 50,420,724.71, 69,583,566.09 and 30,845,365.20

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Solution

The fourth proportional to 50,420,724.71, 69,583,566.09 and 30,845,365.20 is: 42,568,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,420,724.71 : 69,583,566.09 = 30,845,365.20 : x
  2. Step 2: Convert to fraction form
    50,420,724.71/69,583,566.09 = 30,845,365.20/x
  3. Step 3: Cross multiply
    50,420,724.71x = 69,583,566.09 × 30,845,365.20
  4. Step 4: Simplify right side
    50,420,724.71x = 2,146,330,507,964,386.25
  5. Step 5: Solve for x
    x = 2,146,330,507,964,386.25/50,420,724.71
  6. Step 6: Final answer
    x = 42,568,418.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.