Finding the Fourth Proportional to 243,476,674.66, 335,961,929.01 and 148,058,506.18
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Solution
The fourth proportional to 243,476,674.66, 335,961,929.01 and 148,058,506.18 is: 204,298,918.62
Step by Step Solution
- Step 1: Write the proportion equation
243,476,674.66 : 335,961,929.01 = 148,058,506.18 : x - Step 2: Convert to fraction form
243,476,674.66/335,961,929.01 = 148,058,506.18/x - Step 3: Cross multiply
243,476,674.66x = 335,961,929.01 × 148,058,506.18 - Step 4: Simplify right side
243,476,674.66x = 49,742,021,342,571,808 - Step 5: Solve for x
x = 49,742,021,342,571,808/243,476,674.66 - Step 6: Final answer
x = 204,298,918.62
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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.