Finding the Fourth Proportional to 159,843,453.63, 220,583,963.88 and 86,504,595.63
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Solution
The fourth proportional to 159,843,453.63, 220,583,963.88 and 86,504,595.63 is: 119,376,340.82
Step by Step Solution
- Step 1: Write the proportion equation
159,843,453.63 : 220,583,963.88 = 86,504,595.63 : x - Step 2: Convert to fraction form
159,843,453.63/220,583,963.88 = 86,504,595.63/x - Step 3: Cross multiply
159,843,453.63x = 220,583,963.88 × 86,504,595.63 - Step 4: Simplify right side
159,843,453.63x = 19,081,526,597,901,924 - Step 5: Solve for x
x = 19,081,526,597,901,924/159,843,453.63 - Step 6: Final answer
x = 119,376,340.82
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1.5x scale
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.