Finding the Fourth Proportional to 122,557,891.68, 169,129,890.72 and 67,554,929.28
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Solution
The fourth proportional to 122,557,891.68, 169,129,890.72 and 67,554,929.28 is: 93,225,802.52
Step by Step Solution
- Step 1: Write the proportion equation
122,557,891.68 : 169,129,890.72 = 67,554,929.28 : x - Step 2: Convert to fraction form
122,557,891.68/169,129,890.72 = 67,554,929.28/x - Step 3: Cross multiply
122,557,891.68x = 169,129,890.72 × 67,554,929.28 - Step 4: Simplify right side
122,557,891.68x = 11,425,557,806,723,728 - Step 5: Solve for x
x = 11,425,557,806,723,728/122,557,891.68 - Step 6: Final answer
x = 93,225,802.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.