Finding the Fourth Proportional to 279,497,161.62, 385,793,449.02 and 180,378,100.62
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Solution
The fourth proportional to 279,497,161.62, 385,793,449.02 and 180,378,100.62 is: 248,978,161.93
Step by Step Solution
- Step 1: Write the proportion equation
279,497,161.62 : 385,793,449.02 = 180,378,100.62 : x - Step 2: Convert to fraction form
279,497,161.62/385,793,449.02 = 180,378,100.62/x - Step 3: Cross multiply
279,497,161.62x = 385,793,449.02 × 180,378,100.62 - Step 4: Simplify right side
279,497,161.62x = 69,588,689,565,866,400 - Step 5: Solve for x
x = 69,588,689,565,866,400/279,497,161.62 - Step 6: Final answer
x = 248,978,161.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.