Home / 51,008,408.40-76,512,612.60-28,050,157.20

Finding the Fourth Proportional to 51,008,408.40, 76,512,612.60 and 28,050,157.20

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Solution

The fourth proportional to 51,008,408.40, 76,512,612.60 and 28,050,157.20 is: 42,075,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008,408.40 : 76,512,612.60 = 28,050,157.20 : x
  2. Step 2: Convert to fraction form
    51,008,408.40/76,512,612.60 = 28,050,157.20/x
  3. Step 3: Cross multiply
    51,008,408.40x = 76,512,612.60 × 28,050,157.20
  4. Step 4: Simplify right side
    51,008,408.40x = 2,146,190,811,212,700.50
  5. Step 5: Solve for x
    x = 2,146,190,811,212,700.50/51,008,408.40
  6. Step 6: Final answer
    x = 42,075,235.80

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