Finding the Fourth Proportional to 193,021,325.80, 289,531,988.70 and 162,788,237.80
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Solution
The fourth proportional to 193,021,325.80, 289,531,988.70 and 162,788,237.80 is: 244,182,356.70
Step by Step Solution
- Step 1: Write the proportion equation
193,021,325.80 : 289,531,988.70 = 162,788,237.80 : x - Step 2: Convert to fraction form
193,021,325.80/289,531,988.70 = 162,788,237.80/x - Step 3: Cross multiply
193,021,325.80x = 289,531,988.70 × 162,788,237.80 - Step 4: Simplify right side
193,021,325.80x = 47,132,402,227,202,512 - Step 5: Solve for x
x = 47,132,402,227,202,512/193,021,325.80 - Step 6: Final answer
x = 244,182,356.70
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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.