Finding the Fourth Proportional to 220,657,362.84, 304,507,146.29 and 127,891,679.09
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Solution
The fourth proportional to 220,657,362.84, 304,507,146.29 and 127,891,679.09 is: 176,490,508.77
Step by Step Solution
- Step 1: Write the proportion equation
220,657,362.84 : 304,507,146.29 = 127,891,679.09 : x - Step 2: Convert to fraction form
220,657,362.84/304,507,146.29 = 127,891,679.09/x - Step 3: Cross multiply
220,657,362.84x = 304,507,146.29 × 127,891,679.09 - Step 4: Simplify right side
220,657,362.84x = 38,943,930,231,770,368 - Step 5: Solve for x
x = 38,943,930,231,770,368/220,657,362.84 - Step 6: Final answer
x = 176,490,508.77
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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.