Home / 75,870,799.36-113,802,184.32-21,287,184.64

Finding the Fourth Proportional to 75,870,799.36, 113,802,184.32 and 21,287,184.64

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Solution

The fourth proportional to 75,870,799.36, 113,802,184.32 and 21,287,184.64 is: 31,929,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,870,799.36 : 113,802,184.32 = 21,287,184.64 : x
  2. Step 2: Convert to fraction form
    75,870,799.36/113,802,184.32 = 21,287,184.64/x
  3. Step 3: Cross multiply
    75,870,799.36x = 113,802,184.32 × 21,287,184.64
  4. Step 4: Simplify right side
    75,870,799.36x = 2,422,528,110,055,153
  5. Step 5: Solve for x
    x = 2,422,528,110,055,153/75,870,799.36
  6. Step 6: Final answer
    x = 31,929,650.54

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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.