Finding the Fourth Proportional to 91,091,888.01, 136,640,441.84 and 35,757,420.03
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Solution
The fourth proportional to 91,091,888.01, 136,640,441.84 and 35,757,420.03 is: 53,637,154.51
Step by Step Solution
- Step 1: Write the proportion equation
91,091,888.01 : 136,640,441.84 = 35,757,420.03 : x - Step 2: Convert to fraction form
91,091,888.01/136,640,441.84 = 35,757,420.03/x - Step 3: Cross multiply
91,091,888.01x = 136,640,441.84 × 35,757,420.03 - Step 4: Simplify right side
91,091,888.01x = 4,885,909,671,778,879 - Step 5: Solve for x
x = 4,885,909,671,778,879/91,091,888.01 - Step 6: Final answer
x = 53,637,154.51
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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.