Home / 72,089,481.30-99,483,961.74-39,049,730.01

Finding the Fourth Proportional to 72,089,481.30, 99,483,961.74 and 39,049,730.01

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Solution

The fourth proportional to 72,089,481.30, 99,483,961.74 and 39,049,730.01 is: 53,888,886.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,089,481.30 : 99,483,961.74 = 39,049,730.01 : x
  2. Step 2: Convert to fraction form
    72,089,481.30/99,483,961.74 = 39,049,730.01/x
  3. Step 3: Cross multiply
    72,089,481.30x = 99,483,961.74 × 39,049,730.01
  4. Step 4: Simplify right side
    72,089,481.30x = 3,884,821,846,272,169.50
  5. Step 5: Solve for x
    x = 3,884,821,846,272,169.50/72,089,481.30
  6. Step 6: Final answer
    x = 53,888,886.09

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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.