Finding the Fourth Proportional to 181,157,950.99, 249,964,763.16 and 106,841,766.43
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Solution
The fourth proportional to 181,157,950.99, 249,964,763.16 and 106,841,766.43 is: 147,422,051.83
Step by Step Solution
- Step 1: Write the proportion equation
181,157,950.99 : 249,964,763.16 = 106,841,766.43 : x - Step 2: Convert to fraction form
181,157,950.99/249,964,763.16 = 106,841,766.43/x - Step 3: Cross multiply
181,157,950.99x = 249,964,763.16 × 106,841,766.43 - Step 4: Simplify right side
181,157,950.99x = 26,706,676,840,021,164 - Step 5: Solve for x
x = 26,706,676,840,021,164/181,157,950.99 - Step 6: Final answer
x = 147,422,051.83
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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.