Finding the Fourth Proportional to 47,653,321.44, 71,159,083.76 and 38,916,930.99
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Solution
The fourth proportional to 47,653,321.44, 71,159,083.76 and 38,916,930.99 is: 58,113,329.11
Step by Step Solution
- Step 1: Write the proportion equation
47,653,321.44 : 71,159,083.76 = 38,916,930.99 : x - Step 2: Convert to fraction form
47,653,321.44/71,159,083.76 = 38,916,930.99/x - Step 3: Cross multiply
47,653,321.44x = 71,159,083.76 × 38,916,930.99 - Step 4: Simplify right side
47,653,321.44x = 2,769,293,151,744,510.50 - Step 5: Solve for x
x = 2,769,293,151,744,510.50/47,653,321.44 - Step 6: Final answer
x = 58,113,329.11
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.