Finding the Fourth Proportional to 99,684,081.20, 149,526,121.80 and 97,444,593.20
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Solution
The fourth proportional to 99,684,081.20, 149,526,121.80 and 97,444,593.20 is: 146,166,889.80
Step by Step Solution
- Step 1: Write the proportion equation
99,684,081.20 : 149,526,121.80 = 97,444,593.20 : x - Step 2: Convert to fraction form
99,684,081.20/149,526,121.80 = 97,444,593.20/x - Step 3: Cross multiply
99,684,081.20x = 149,526,121.80 × 97,444,593.20 - Step 4: Simplify right side
99,684,081.20x = 14,570,512,111,574,654 - Step 5: Solve for x
x = 14,570,512,111,574,654/99,684,081.20 - Step 6: Final answer
x = 146,166,889.80
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1.5x scale
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.