Finding the Fourth Proportional to 84,824,691.38, 117,067,574.99 and 51,352,619.93
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Solution
The fourth proportional to 84,824,691.38, 117,067,574.99 and 51,352,619.93 is: 70,872,367.31
Step by Step Solution
- Step 1: Write the proportion equation
84,824,691.38 : 117,067,574.99 = 51,352,619.93 : x - Step 2: Convert to fraction form
84,824,691.38/117,067,574.99 = 51,352,619.93/x - Step 3: Cross multiply
84,824,691.38x = 117,067,574.99 × 51,352,619.93 - Step 4: Simplify right side
84,824,691.38x = 6,011,726,684,588,243 - Step 5: Solve for x
x = 6,011,726,684,588,243/84,824,691.38 - Step 6: Final answer
x = 70,872,367.31
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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.