Home / 117,089,488.75-161,583,684.41-64,157,785.25

Finding the Fourth Proportional to 117,089,488.75, 161,583,684.41 and 64,157,785.25

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Solution

The fourth proportional to 117,089,488.75, 161,583,684.41 and 64,157,785.25 is: 88,537,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089,488.75 : 161,583,684.41 = 64,157,785.25 : x
  2. Step 2: Convert to fraction form
    117,089,488.75/161,583,684.41 = 64,157,785.25/x
  3. Step 3: Cross multiply
    117,089,488.75x = 161,583,684.41 × 64,157,785.25
  4. Step 4: Simplify right side
    117,089,488.75x = 10,366,851,324,844,906
  5. Step 5: Solve for x
    x = 10,366,851,324,844,906/117,089,488.75
  6. Step 6: Final answer
    x = 88,537,847.72

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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.