Home / 77,640,198.80-116,460,298.20-23,780,512.40

Finding the Fourth Proportional to 77,640,198.80, 116,460,298.20 and 23,780,512.40

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Solution

The fourth proportional to 77,640,198.80, 116,460,298.20 and 23,780,512.40 is: 35,670,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,640,198.80 : 116,460,298.20 = 23,780,512.40 : x
  2. Step 2: Convert to fraction form
    77,640,198.80/116,460,298.20 = 23,780,512.40/x
  3. Step 3: Cross multiply
    77,640,198.80x = 116,460,298.20 × 23,780,512.40
  4. Step 4: Simplify right side
    77,640,198.80x = 2,769,485,565,452,797.50
  5. Step 5: Solve for x
    x = 2,769,485,565,452,797.50/77,640,198.80
  6. Step 6: Final answer
    x = 35,670,768.60

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1.5x scale

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.