Finding the Fourth Proportional to 243,752,665.32, 365,656,742.84 and 88,379,643.68
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Solution
The fourth proportional to 243,752,665.32, 365,656,742.84 and 88,379,643.68 is: 132,579,525.23
Step by Step Solution
- Step 1: Write the proportion equation
243,752,665.32 : 365,656,742.84 = 88,379,643.68 : x - Step 2: Convert to fraction form
243,752,665.32/365,656,742.84 = 88,379,643.68/x - Step 3: Cross multiply
243,752,665.32x = 365,656,742.84 × 88,379,643.68 - Step 4: Simplify right side
243,752,665.32x = 32,316,612,641,388,592 - Step 5: Solve for x
x = 32,316,612,641,388,592/243,752,665.32 - Step 6: Final answer
x = 132,579,525.23
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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.