Finding the Fourth Proportional to 84,828,505.80, 127,242,758.70 and 63,305,145.30
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Solution
The fourth proportional to 84,828,505.80, 127,242,758.70 and 63,305,145.30 is: 94,957,717.95
Step by Step Solution
- Step 1: Write the proportion equation
84,828,505.80 : 127,242,758.70 = 63,305,145.30 : x - Step 2: Convert to fraction form
84,828,505.80/127,242,758.70 = 63,305,145.30/x - Step 3: Cross multiply
84,828,505.80x = 127,242,758.70 × 63,305,145.30 - Step 4: Simplify right side
84,828,505.80x = 8,055,121,327,876,339 - Step 5: Solve for x
x = 8,055,121,327,876,339/84,828,505.80 - Step 6: Final answer
x = 94,957,717.95
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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.