Finding the Fourth Proportional to 202,084,549.74, 278,875,054.17 and 117,319,533.84
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Solution
The fourth proportional to 202,084,549.74, 278,875,054.17 and 117,319,533.84 is: 161,900,013.62
Step by Step Solution
- Step 1: Write the proportion equation
202,084,549.74 : 278,875,054.17 = 117,319,533.84 : x - Step 2: Convert to fraction form
202,084,549.74/278,875,054.17 = 117,319,533.84/x - Step 3: Cross multiply
202,084,549.74x = 278,875,054.17 × 117,319,533.84 - Step 4: Simplify right side
202,084,549.74x = 32,717,491,354,829,152 - Step 5: Solve for x
x = 32,717,491,354,829,152/202,084,549.74 - Step 6: Final answer
x = 161,900,013.62
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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.