Home / 111,448,368.60-167,164,679.70-38,647,512.60

Finding the Fourth Proportional to 111,448,368.60, 167,164,679.70 and 38,647,512.60

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Solution

The fourth proportional to 111,448,368.60, 167,164,679.70 and 38,647,512.60 is: 57,968,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,448,368.60 : 167,164,679.70 = 38,647,512.60 : x
  2. Step 2: Convert to fraction form
    111,448,368.60/167,164,679.70 = 38,647,512.60/x
  3. Step 3: Cross multiply
    111,448,368.60x = 167,164,679.70 × 38,647,512.60
  4. Step 4: Simplify right side
    111,448,368.60x = 6,460,499,064,980,714
  5. Step 5: Solve for x
    x = 6,460,499,064,980,714/111,448,368.60
  6. Step 6: Final answer
    x = 57,968,538.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.