Finding the Fourth Proportional to 99,665,075.20, 149,497,612.80 and 97,985,459.20
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Solution
The fourth proportional to 99,665,075.20, 149,497,612.80 and 97,985,459.20 is: 146,978,188.80
Step by Step Solution
- Step 1: Write the proportion equation
99,665,075.20 : 149,497,612.80 = 97,985,459.20 : x - Step 2: Convert to fraction form
99,665,075.20/149,497,612.80 = 97,985,459.20/x - Step 3: Cross multiply
99,665,075.20x = 149,497,612.80 × 97,985,459.20 - Step 4: Simplify right side
99,665,075.20x = 14,648,592,239,511,800 - Step 5: Solve for x
x = 14,648,592,239,511,800/99,665,075.20 - Step 6: Final answer
x = 146,978,188.80
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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.