Home / 127,171,025.20-190,756,537.80-94,885,984.45

Finding the Fourth Proportional to 127,171,025.20, 190,756,537.80 and 94,885,984.45

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Solution

The fourth proportional to 127,171,025.20, 190,756,537.80 and 94,885,984.45 is: 142,328,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,171,025.20 : 190,756,537.80 = 94,885,984.45 : x
  2. Step 2: Convert to fraction form
    127,171,025.20/190,756,537.80 = 94,885,984.45/x
  3. Step 3: Cross multiply
    127,171,025.20x = 190,756,537.80 × 94,885,984.45
  4. Step 4: Simplify right side
    127,171,025.20x = 18,100,121,879,426,640
  5. Step 5: Solve for x
    x = 18,100,121,879,426,640/127,171,025.20
  6. Step 6: Final answer
    x = 142,328,976.68

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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.