Home / 54,434,456.40-81,651,684.60-31,476,205.20

Finding the Fourth Proportional to 54,434,456.40, 81,651,684.60 and 31,476,205.20

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Solution

The fourth proportional to 54,434,456.40, 81,651,684.60 and 31,476,205.20 is: 47,214,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434,456.40 : 81,651,684.60 = 31,476,205.20 : x
  2. Step 2: Convert to fraction form
    54,434,456.40/81,651,684.60 = 31,476,205.20/x
  3. Step 3: Cross multiply
    54,434,456.40x = 81,651,684.60 × 31,476,205.20
  4. Step 4: Simplify right side
    54,434,456.40x = 2,570,085,179,395,279.50
  5. Step 5: Solve for x
    x = 2,570,085,179,395,279.50/54,434,456.40
  6. Step 6: Final answer
    x = 47,214,307.80

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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.