Home / 402,422,014.63-603,632,268.51-126,094,382.97

Finding the Fourth Proportional to 402,422,014.63, 603,632,268.51 and 126,094,382.97

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Solution

The fourth proportional to 402,422,014.63, 603,632,268.51 and 126,094,382.97 is: 189,141,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,422,014.63 : 603,632,268.51 = 126,094,382.97 : x
  2. Step 2: Convert to fraction form
    402,422,014.63/603,632,268.51 = 126,094,382.97/x
  3. Step 3: Cross multiply
    402,422,014.63x = 603,632,268.51 × 126,094,382.97
  4. Step 4: Simplify right side
    402,422,014.63x = 76,114,638,435,531,648
  5. Step 5: Solve for x
    x = 76,114,638,435,531,648/402,422,014.63
  6. Step 6: Final answer
    x = 189,141,338.37

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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.