Finding the Fourth Proportional to 75,036,638.62, 112,476,923.34 and 29,010,120.40
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Solution
The fourth proportional to 75,036,638.62, 112,476,923.34 and 29,010,120.40 is: 43,485,011.43
Step by Step Solution
- Step 1: Write the proportion equation
75,036,638.62 : 112,476,923.34 = 29,010,120.40 : x - Step 2: Convert to fraction form
75,036,638.62/112,476,923.34 = 29,010,120.40/x - Step 3: Cross multiply
75,036,638.62x = 112,476,923.34 × 29,010,120.40 - Step 4: Simplify right side
75,036,638.62x = 3,262,969,088,314,970 - Step 5: Solve for x
x = 3,262,969,088,314,970/75,036,638.62 - Step 6: Final answer
x = 43,485,011.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.