Finding the Fourth Proportional to 139,176,161,835.48, 208,678,805,197.99 and 54,086,604,158.91
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Solution
The fourth proportional to 139,176,161,835.48, 208,678,805,197.99 and 54,086,604,158.91 is: 81,096,703,517.66
Step by Step Solution
- Step 1: Write the proportion equation
139,176,161,835.48 : 208,678,805,197.99 = 54,086,604,158.91 : x - Step 2: Convert to fraction form
139,176,161,835.48/208,678,805,197.99 = 54,086,604,158.91/x - Step 3: Cross multiply
139,176,161,835.48x = 208,678,805,197.99 × 54,086,604,158.91 - Step 4: Simplify right side
139,176,161,835.48x = 11,286,727,933,097,976,791,040 - Step 5: Solve for x
x = 11,286,727,933,097,976,791,040/139,176,161,835.48 - Step 6: Final answer
x = 81,096,703,517.66
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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.