Finding the Fourth Proportional to 164,218,918.99, 226,612,887.70 and 89,879,328.06
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Solution
The fourth proportional to 164,218,918.99, 226,612,887.70 and 89,879,328.06 is: 124,028,426.21
Step by Step Solution
- Step 1: Write the proportion equation
164,218,918.99 : 226,612,887.70 = 89,879,328.06 : x - Step 2: Convert to fraction form
164,218,918.99/226,612,887.70 = 89,879,328.06/x - Step 3: Cross multiply
164,218,918.99x = 226,612,887.70 × 89,879,328.06 - Step 4: Simplify right side
164,218,918.99x = 20,367,814,075,762,844 - Step 5: Solve for x
x = 20,367,814,075,762,844/164,218,918.99 - Step 6: Final answer
x = 124,028,426.21
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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.