Finding the Fourth Proportional to 99,668,114.70, 149,502,172.05 and 88,918,572.30
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Solution
The fourth proportional to 99,668,114.70, 149,502,172.05 and 88,918,572.30 is: 133,377,858.45
Step by Step Solution
- Step 1: Write the proportion equation
99,668,114.70 : 149,502,172.05 = 88,918,572.30 : x - Step 2: Convert to fraction form
99,668,114.70/149,502,172.05 = 88,918,572.30/x - Step 3: Cross multiply
99,668,114.70x = 149,502,172.05 × 88,918,572.30 - Step 4: Simplify right side
99,668,114.70x = 13,293,519,694,434,964 - Step 5: Solve for x
x = 13,293,519,694,434,964/99,668,114.70 - Step 6: Final answer
x = 133,377,858.45
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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.