Home / 31,215,266.40-46,822,899.60-30,577,537.20

Finding the Fourth Proportional to 31,215,266.40, 46,822,899.60 and 30,577,537.20

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Solution

The fourth proportional to 31,215,266.40, 46,822,899.60 and 30,577,537.20 is: 45,866,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,215,266.40 : 46,822,899.60 = 30,577,537.20 : x
  2. Step 2: Convert to fraction form
    31,215,266.40/46,822,899.60 = 30,577,537.20/x
  3. Step 3: Cross multiply
    31,215,266.40x = 46,822,899.60 × 30,577,537.20
  4. Step 4: Simplify right side
    31,215,266.40x = 1,431,728,954,330,865.25
  5. Step 5: Solve for x
    x = 1,431,728,954,330,865.25/31,215,266.40
  6. Step 6: Final answer
    x = 45,866,305.80

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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.