Finding the Fourth Proportional to 81,765,521.20, 122,648,281.92 and 33,232,004.08
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Solution
The fourth proportional to 81,765,521.20, 122,648,281.92 and 33,232,004.08 is: 49,848,006.17
Step by Step Solution
- Step 1: Write the proportion equation
81,765,521.20 : 122,648,281.92 = 33,232,004.08 : x - Step 2: Convert to fraction form
81,765,521.20/122,648,281.92 = 33,232,004.08/x - Step 3: Cross multiply
81,765,521.20x = 122,648,281.92 × 33,232,004.08 - Step 4: Simplify right side
81,765,521.20x = 4,075,848,205,170,430 - Step 5: Solve for x
x = 4,075,848,205,170,430/81,765,521.20 - Step 6: Final answer
x = 49,848,006.17
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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.