Home / 30,761,568.40-46,142,352.60-25,760,045.20

Finding the Fourth Proportional to 30,761,568.40, 46,142,352.60 and 25,760,045.20

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Solution

The fourth proportional to 30,761,568.40, 46,142,352.60 and 25,760,045.20 is: 38,640,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761,568.40 : 46,142,352.60 = 25,760,045.20 : x
  2. Step 2: Convert to fraction form
    30,761,568.40/46,142,352.60 = 25,760,045.20/x
  3. Step 3: Cross multiply
    30,761,568.40x = 46,142,352.60 × 25,760,045.20
  4. Step 4: Simplify right side
    30,761,568.40x = 1,188,629,088,610,337.50
  5. Step 5: Solve for x
    x = 1,188,629,088,610,337.50/30,761,568.40
  6. Step 6: Final answer
    x = 38,640,067.80

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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.