Finding the Fourth Proportional to 81,626,718.09, 112,644,870.99 and 44,957,289.09
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Solution
The fourth proportional to 81,626,718.09, 112,644,870.99 and 44,957,289.09 is: 62,041,058.96
Step by Step Solution
- Step 1: Write the proportion equation
81,626,718.09 : 112,644,870.99 = 44,957,289.09 : x - Step 2: Convert to fraction form
81,626,718.09/112,644,870.99 = 44,957,289.09/x - Step 3: Cross multiply
81,626,718.09x = 112,644,870.99 × 44,957,289.09 - Step 4: Simplify right side
81,626,718.09x = 5,064,208,029,857,013 - Step 5: Solve for x
x = 5,064,208,029,857,013/81,626,718.09 - Step 6: Final answer
x = 62,041,058.96
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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.