Finding the Fourth Proportional to 43,257,731.19, 59,695,687.71 and 23,678,731.23
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Solution
The fourth proportional to 43,257,731.19, 59,695,687.71 and 23,678,731.23 is: 32,676,659.32
Step by Step Solution
- Step 1: Write the proportion equation
43,257,731.19 : 59,695,687.71 = 23,678,731.23 : x - Step 2: Convert to fraction form
43,257,731.19/59,695,687.71 = 23,678,731.23/x - Step 3: Cross multiply
43,257,731.19x = 59,695,687.71 × 23,678,731.23 - Step 4: Simplify right side
43,257,731.19x = 1,413,518,144,875,104.25 - Step 5: Solve for x
x = 1,413,518,144,875,104.25/43,257,731.19 - Step 6: Final answer
x = 32,676,659.32
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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.