Home / 53,919,619.40-80,879,429.10-30,961,368.20

Finding the Fourth Proportional to 53,919,619.40, 80,879,429.10 and 30,961,368.20

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Solution

The fourth proportional to 53,919,619.40, 80,879,429.10 and 30,961,368.20 is: 46,442,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919,619.40 : 80,879,429.10 = 30,961,368.20 : x
  2. Step 2: Convert to fraction form
    53,919,619.40/80,879,429.10 = 30,961,368.20/x
  3. Step 3: Cross multiply
    53,919,619.40x = 80,879,429.10 × 30,961,368.20
  4. Step 4: Simplify right side
    53,919,619.40x = 2,504,137,784,170,894.50
  5. Step 5: Solve for x
    x = 2,504,137,784,170,894.50/53,919,619.40
  6. Step 6: Final answer
    x = 46,442,052.30

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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.