Finding the Fourth Proportional to 75,311,822.93, 112,916,161.76 and 38,352,169.62
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Solution
The fourth proportional to 75,311,822.93, 112,916,161.76 and 38,352,169.62 is: 57,501,991.32
Step by Step Solution
- Step 1: Write the proportion equation
75,311,822.93 : 112,916,161.76 = 38,352,169.62 : x - Step 2: Convert to fraction form
75,311,822.93/112,916,161.76 = 38,352,169.62/x - Step 3: Cross multiply
75,311,822.93x = 112,916,161.76 × 38,352,169.62 - Step 4: Simplify right side
75,311,822.93x = 4,330,579,788,467,116.50 - Step 5: Solve for x
x = 4,330,579,788,467,116.50/75,311,822.93 - Step 6: Final answer
x = 57,501,991.32
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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.