Home / 117,089,811.30-161,583,781.32-64,882,228.44

Finding the Fourth Proportional to 117,089,811.30, 161,583,781.32 and 64,882,228.44

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Solution

The fourth proportional to 117,089,811.30, 161,583,781.32 and 64,882,228.44 is: 89,537,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089,811.30 : 161,583,781.32 = 64,882,228.44 : x
  2. Step 2: Convert to fraction form
    117,089,811.30/161,583,781.32 = 64,882,228.44/x
  3. Step 3: Cross multiply
    117,089,811.30x = 161,583,781.32 × 64,882,228.44
  4. Step 4: Simplify right side
    117,089,811.30x = 10,483,915,811,803,244
  5. Step 5: Solve for x
    x = 10,483,915,811,803,244/117,089,811.30
  6. Step 6: Final answer
    x = 89,537,387.54

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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.