Finding the Fourth Proportional to 367,428,234.70, 551,142,352.05 and 149,183,130.70
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Solution
The fourth proportional to 367,428,234.70, 551,142,352.05 and 149,183,130.70 is: 223,774,696.05
Step by Step Solution
- Step 1: Write the proportion equation
367,428,234.70 : 551,142,352.05 = 149,183,130.70 : x - Step 2: Convert to fraction form
367,428,234.70/551,142,352.05 = 149,183,130.70/x - Step 3: Cross multiply
367,428,234.70x = 551,142,352.05 × 149,183,130.70 - Step 4: Simplify right side
367,428,234.70x = 82,221,141,540,180,544 - Step 5: Solve for x
x = 82,221,141,540,180,544/367,428,234.70 - Step 6: Final answer
x = 223,774,696.05
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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.