Home / 53,263,032.07-79,917,564.52-28,642,181.69

Finding the Fourth Proportional to 53,263,032.07, 79,917,564.52 and 28,642,181.69

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Solution

The fourth proportional to 53,263,032.07, 79,917,564.52 and 28,642,181.69 is: 42,975,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,263,032.07 : 79,917,564.52 = 28,642,181.69 : x
  2. Step 2: Convert to fraction form
    53,263,032.07/79,917,564.52 = 28,642,181.69/x
  3. Step 3: Cross multiply
    53,263,032.07x = 79,917,564.52 × 28,642,181.69
  4. Step 4: Simplify right side
    53,263,032.07x = 2,289,013,403,204,137.50
  5. Step 5: Solve for x
    x = 2,289,013,403,204,137.50/53,263,032.07
  6. Step 6: Final answer
    x = 42,975,649.61

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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.