Finding the Fourth Proportional to 106,328,686.32, 159,519,929.67 and 29,651,722.74
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Solution
The fourth proportional to 106,328,686.32, 159,519,929.67 and 29,651,722.74 is: 44,485,085.73
Step by Step Solution
- Step 1: Write the proportion equation
106,328,686.32 : 159,519,929.67 = 29,651,722.74 : x - Step 2: Convert to fraction form
106,328,686.32/159,519,929.67 = 29,651,722.74/x - Step 3: Cross multiply
106,328,686.32x = 159,519,929.67 × 29,651,722.74 - Step 4: Simplify right side
106,328,686.32x = 4,730,040,726,079,139 - Step 5: Solve for x
x = 4,730,040,726,079,139/106,328,686.32 - Step 6: Final answer
x = 44,485,085.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.