Home / 51,106,781.60-76,660,172.40-30,699,447.20

Finding the Fourth Proportional to 51,106,781.60, 76,660,172.40 and 30,699,447.20

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Solution

The fourth proportional to 51,106,781.60, 76,660,172.40 and 30,699,447.20 is: 46,049,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106,781.60 : 76,660,172.40 = 30,699,447.20 : x
  2. Step 2: Convert to fraction form
    51,106,781.60/76,660,172.40 = 30,699,447.20/x
  3. Step 3: Cross multiply
    51,106,781.60x = 76,660,172.40 × 30,699,447.20
  4. Step 4: Simplify right side
    51,106,781.60x = 2,353,424,914,936,697.50
  5. Step 5: Solve for x
    x = 2,353,424,914,936,697.50/51,106,781.60
  6. Step 6: Final answer
    x = 46,049,170.80

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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.