Finding the Fourth Proportional to 149,738,271.90, 224,775,369.45 and 115,810,028.70
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Solution
The fourth proportional to 149,738,271.90, 224,775,369.45 and 115,810,028.70 is: 173,844,947.30
Step by Step Solution
- Step 1: Write the proportion equation
149,738,271.90 : 224,775,369.45 = 115,810,028.70 : x - Step 2: Convert to fraction form
149,738,271.90/224,775,369.45 = 115,810,028.70/x - Step 3: Cross multiply
149,738,271.90x = 224,775,369.45 × 115,810,028.70 - Step 4: Simplify right side
149,738,271.90x = 26,031,241,987,057,604 - Step 5: Solve for x
x = 26,031,241,987,057,604/149,738,271.90 - Step 6: Final answer
x = 173,844,947.30
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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.