Finding the Fourth Proportional to 293,755,950.40, 440,742,400.80 and 121,247,723.20
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Solution
The fourth proportional to 293,755,950.40, 440,742,400.80 and 121,247,723.20 is: 181,916,357.92
Step by Step Solution
- Step 1: Write the proportion equation
293,755,950.40 : 440,742,400.80 = 121,247,723.20 : x - Step 2: Convert to fraction form
293,755,950.40/440,742,400.80 = 121,247,723.20/x - Step 3: Cross multiply
293,755,950.40x = 440,742,400.80 × 121,247,723.20 - Step 4: Simplify right side
293,755,950.40x = 53,439,012,614,701,864 - Step 5: Solve for x
x = 53,439,012,614,701,864/293,755,950.40 - Step 6: Final answer
x = 181,916,357.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.