Finding the Fourth Proportional to 190,304,893.80, 285,457,340.70 and 141,877,332.68
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Solution
The fourth proportional to 190,304,893.80, 285,457,340.70 and 141,877,332.68 is: 212,815,999.02
Step by Step Solution
- Step 1: Write the proportion equation
190,304,893.80 : 285,457,340.70 = 141,877,332.68 : x - Step 2: Convert to fraction form
190,304,893.80/285,457,340.70 = 141,877,332.68/x - Step 3: Cross multiply
190,304,893.80x = 285,457,340.70 × 141,877,332.68 - Step 4: Simplify right side
190,304,893.80x = 40,499,926,092,442,008 - Step 5: Solve for x
x = 40,499,926,092,442,008/190,304,893.80 - Step 6: Final answer
x = 212,815,999.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.