Finding the Fourth Proportional to 70,962,243.18, 97,972,226.94 and 54,410,554.20
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Solution
The fourth proportional to 70,962,243.18, 97,972,226.94 and 54,410,554.20 is: 75,120,556.02
Step by Step Solution
- Step 1: Write the proportion equation
70,962,243.18 : 97,972,226.94 = 54,410,554.20 : x - Step 2: Convert to fraction form
70,962,243.18/97,972,226.94 = 54,410,554.20/x - Step 3: Cross multiply
70,962,243.18x = 97,972,226.94 × 54,410,554.20 - Step 4: Simplify right side
70,962,243.18x = 5,330,723,164,013,570 - Step 5: Solve for x
x = 5,330,723,164,013,570/70,962,243.18 - Step 6: Final answer
x = 75,120,556.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.