Finding the Fourth Proportional to 103,102,324.20, 154,653,486.30 and 89,072,281.80
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Solution
The fourth proportional to 103,102,324.20, 154,653,486.30 and 89,072,281.80 is: 133,608,422.70
Step by Step Solution
- Step 1: Write the proportion equation
103,102,324.20 : 154,653,486.30 = 89,072,281.80 : x - Step 2: Convert to fraction form
103,102,324.20/154,653,486.30 = 89,072,281.80/x - Step 3: Cross multiply
103,102,324.20x = 154,653,486.30 × 89,072,281.80 - Step 4: Simplify right side
103,102,324.20x = 13,775,338,913,066,040 - Step 5: Solve for x
x = 13,775,338,913,066,040/103,102,324.20 - Step 6: Final answer
x = 133,608,422.70
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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.