Finding the Fourth Proportional to 97,996,271.20, 146,994,406.80 and 68,770,952.80
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Solution
The fourth proportional to 97,996,271.20, 146,994,406.80 and 68,770,952.80 is: 103,156,429.20
Step by Step Solution
- Step 1: Write the proportion equation
97,996,271.20 : 146,994,406.80 = 68,770,952.80 : x - Step 2: Convert to fraction form
97,996,271.20/146,994,406.80 = 68,770,952.80/x - Step 3: Cross multiply
97,996,271.20x = 146,994,406.80 × 68,770,952.80 - Step 4: Simplify right side
97,996,271.20x = 10,108,945,411,906,800 - Step 5: Solve for x
x = 10,108,945,411,906,800/97,996,271.20 - Step 6: Final answer
x = 103,156,429.20
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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.