Finding the Fourth Proportional to 367,458,742.80, 551,176,304.40 and 121,826,712.60
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Solution
The fourth proportional to 367,458,742.80, 551,176,304.40 and 121,826,712.60 is: 182,736,153.50
Step by Step Solution
- Step 1: Write the proportion equation
367,458,742.80 : 551,176,304.40 = 121,826,712.60 : x - Step 2: Convert to fraction form
367,458,742.80/551,176,304.40 = 121,826,712.60/x - Step 3: Cross multiply
367,458,742.80x = 551,176,304.40 × 121,826,712.60 - Step 4: Simplify right side
367,458,742.80x = 67,147,997,228,068,912 - Step 5: Solve for x
x = 67,147,997,228,068,912/367,458,742.80 - Step 6: Final answer
x = 182,736,153.50
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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.