Finding the Fourth Proportional to 261,719,864.23, 361,187,616.05 and 150,209,813.53
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Solution
The fourth proportional to 261,719,864.23, 361,187,616.05 and 150,209,813.53 is: 207,297,694.49
Step by Step Solution
- Step 1: Write the proportion equation
261,719,864.23 : 361,187,616.05 = 150,209,813.53 : x - Step 2: Convert to fraction form
261,719,864.23/361,187,616.05 = 150,209,813.53/x - Step 3: Cross multiply
261,719,864.23x = 361,187,616.05 × 150,209,813.53 - Step 4: Simplify right side
261,719,864.23x = 54,253,924,456,215,736 - Step 5: Solve for x
x = 54,253,924,456,215,736/261,719,864.23 - Step 6: Final answer
x = 207,297,694.49
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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.