Home / 60,478,110.90-90,691,942.88-18,968,292.53

Finding the Fourth Proportional to 60,478,110.90, 90,691,942.88 and 18,968,292.53

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Solution

The fourth proportional to 60,478,110.90, 90,691,942.88 and 18,968,292.53 is: 28,444,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,478,110.90 : 90,691,942.88 = 18,968,292.53 : x
  2. Step 2: Convert to fraction form
    60,478,110.90/90,691,942.88 = 18,968,292.53/x
  3. Step 3: Cross multiply
    60,478,110.90x = 90,691,942.88 × 18,968,292.53
  4. Step 4: Simplify right side
    60,478,110.90x = 1,720,271,302,801,559.50
  5. Step 5: Solve for x
    x = 1,720,271,302,801,559.50/60,478,110.90
  6. Step 6: Final answer
    x = 28,444,527.73

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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.