Home / 127,512,464.40-191,268,696.60-76,494,128.40

Finding the Fourth Proportional to 127,512,464.40, 191,268,696.60 and 76,494,128.40

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Solution

The fourth proportional to 127,512,464.40, 191,268,696.60 and 76,494,128.40 is: 114,741,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,512,464.40 : 191,268,696.60 = 76,494,128.40 : x
  2. Step 2: Convert to fraction form
    127,512,464.40/191,268,696.60 = 76,494,128.40/x
  3. Step 3: Cross multiply
    127,512,464.40x = 191,268,696.60 × 76,494,128.40
  4. Step 4: Simplify right side
    127,512,464.40x = 14,630,932,236,621,044
  5. Step 5: Solve for x
    x = 14,630,932,236,621,044/127,512,464.40
  6. Step 6: Final answer
    x = 114,741,192.60

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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.