Finding the Fourth Proportional to 99,775,675.99, 136,690,396.29 and 96,045,347.68
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Solution
The fourth proportional to 99,775,675.99, 136,690,396.29 and 96,045,347.68 is: 131,579,931.74
Step by Step Solution
- Step 1: Write the proportion equation
99,775,675.99 : 136,690,396.29 = 96,045,347.68 : x - Step 2: Convert to fraction form
99,775,675.99/136,690,396.29 = 96,045,347.68/x - Step 3: Cross multiply
99,775,675.99x = 136,690,396.29 × 96,045,347.68 - Step 4: Simplify right side
99,775,675.99x = 13,128,476,637,022,910 - Step 5: Solve for x
x = 13,128,476,637,022,910/99,775,675.99 - Step 6: Final answer
x = 131,579,931.74
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.