Home / 380,030,559.89-570,099,990.33-117,735,728.22

Finding the Fourth Proportional to 380,030,559.89, 570,099,990.33 and 117,735,728.22

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Solution

The fourth proportional to 380,030,559.89, 570,099,990.33 and 117,735,728.22 is: 176,620,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,030,559.89 : 570,099,990.33 = 117,735,728.22 : x
  2. Step 2: Convert to fraction form
    380,030,559.89/570,099,990.33 = 117,735,728.22/x
  3. Step 3: Cross multiply
    380,030,559.89x = 570,099,990.33 × 117,735,728.22
  4. Step 4: Simplify right side
    380,030,559.89x = 67,121,137,519,717,512
  5. Step 5: Solve for x
    x = 67,121,137,519,717,512/380,030,559.89
  6. Step 6: Final answer
    x = 176,620,368.48

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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.