Home / 251,982,511.20-347,735,786.40-136,089,007.20

Finding the Fourth Proportional to 251,982,511.20, 347,735,786.40 and 136,089,007.20

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Solution

The fourth proportional to 251,982,511.20, 347,735,786.40 and 136,089,007.20 is: 187,802,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,982,511.20 : 347,735,786.40 = 136,089,007.20 : x
  2. Step 2: Convert to fraction form
    251,982,511.20/347,735,786.40 = 136,089,007.20/x
  3. Step 3: Cross multiply
    251,982,511.20x = 347,735,786.40 × 136,089,007.20
  4. Step 4: Simplify right side
    251,982,511.20x = 47,323,017,939,087,256
  5. Step 5: Solve for x
    x = 47,323,017,939,087,256/251,982,511.20
  6. Step 6: Final answer
    x = 187,802,787.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.