Finding the Fourth Proportional to 266,106,956.49, 367,223,691.79 and 148,634,001.09
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Solution
The fourth proportional to 266,106,956.49, 367,223,691.79 and 148,634,001.09 is: 205,112,738.60
Step by Step Solution
- Step 1: Write the proportion equation
266,106,956.49 : 367,223,691.79 = 148,634,001.09 : x - Step 2: Convert to fraction form
266,106,956.49/367,223,691.79 = 148,634,001.09/x - Step 3: Cross multiply
266,106,956.49x = 367,223,691.79 × 148,634,001.09 - Step 4: Simplify right side
266,106,956.49x = 54,581,926,605,045,520 - Step 5: Solve for x
x = 54,581,926,605,045,520/266,106,956.49 - Step 6: Final answer
x = 205,112,738.60
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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.