Finding the Fourth Proportional to 99,668,114.70, 149,502,172.05 and 97,428,626.70
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Solution
The fourth proportional to 99,668,114.70, 149,502,172.05 and 97,428,626.70 is: 146,142,940.05
Step by Step Solution
- Step 1: Write the proportion equation
99,668,114.70 : 149,502,172.05 = 97,428,626.70 : x - Step 2: Convert to fraction form
99,668,114.70/149,502,172.05 = 97,428,626.70/x - Step 3: Cross multiply
99,668,114.70x = 149,502,172.05 × 97,428,626.70 - Step 4: Simplify right side
99,668,114.70x = 14,565,791,311,498,626 - Step 5: Solve for x
x = 14,565,791,311,498,626/99,668,114.70 - Step 6: Final answer
x = 146,142,940.05
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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.