Home / 152,638,124.44-210,621,481.86-103,186,103.80

Finding the Fourth Proportional to 152,638,124.44, 210,621,481.86 and 103,186,103.80

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Solution

The fourth proportional to 152,638,124.44, 210,621,481.86 and 103,186,103.80 is: 142,383,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,638,124.44 : 210,621,481.86 = 103,186,103.80 : x
  2. Step 2: Convert to fraction form
    152,638,124.44/210,621,481.86 = 103,186,103.80/x
  3. Step 3: Cross multiply
    152,638,124.44x = 210,621,481.86 × 103,186,103.80
  4. Step 4: Simplify right side
    152,638,124.44x = 21,733,210,089,715,776
  5. Step 5: Solve for x
    x = 21,733,210,089,715,776/152,638,124.44
  6. Step 6: Final answer
    x = 142,383,891.11

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