Finding the Fourth Proportional to 199,292,136.84, 275,023,320.08 and 111,186,148.19
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Solution
The fourth proportional to 199,292,136.84, 275,023,320.08 and 111,186,148.19 is: 153,436,980.03
Step by Step Solution
- Step 1: Write the proportion equation
199,292,136.84 : 275,023,320.08 = 111,186,148.19 : x - Step 2: Convert to fraction form
199,292,136.84/275,023,320.08 = 111,186,148.19/x - Step 3: Cross multiply
199,292,136.84x = 275,023,320.08 × 111,186,148.19 - Step 4: Simplify right side
199,292,136.84x = 30,578,783,620,189,636 - Step 5: Solve for x
x = 30,578,783,620,189,636/199,292,136.84 - Step 6: Final answer
x = 153,436,980.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.