Home / 71,072,942.56-106,541,307.84-30,075,985.44

Finding the Fourth Proportional to 71,072,942.56, 106,541,307.84 and 30,075,985.44

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Solution

The fourth proportional to 71,072,942.56, 106,541,307.84 and 30,075,985.44 is: 45,085,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072,942.56 : 106,541,307.84 = 30,075,985.44 : x
  2. Step 2: Convert to fraction form
    71,072,942.56/106,541,307.84 = 30,075,985.44/x
  3. Step 3: Cross multiply
    71,072,942.56x = 106,541,307.84 × 30,075,985.44
  4. Step 4: Simplify right side
    71,072,942.56x = 3,204,334,823,354,398
  5. Step 5: Solve for x
    x = 3,204,334,823,354,398/71,072,942.56
  6. Step 6: Final answer
    x = 45,085,157.70

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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.