Finding the Fourth Proportional to 99,665,045.20, 149,497,567.80 and 97,985,429.20
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Solution
The fourth proportional to 99,665,045.20, 149,497,567.80 and 97,985,429.20 is: 146,978,143.80
Step by Step Solution
- Step 1: Write the proportion equation
99,665,045.20 : 149,497,567.80 = 97,985,429.20 : x - Step 2: Convert to fraction form
99,665,045.20/149,497,567.80 = 97,985,429.20/x - Step 3: Cross multiply
99,665,045.20x = 149,497,567.80 × 97,985,429.20 - Step 4: Simplify right side
99,665,045.20x = 14,648,583,345,239,102 - Step 5: Solve for x
x = 14,648,583,345,239,102/99,665,045.20 - Step 6: Final answer
x = 146,978,143.80
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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.