Finding the Fourth Proportional to 54,546,434.81, 75,275,678.88 and 29,768,214.81
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Solution
The fourth proportional to 54,546,434.81, 75,275,678.88 and 29,768,214.81 is: 41,081,008.99
Step by Step Solution
- Step 1: Write the proportion equation
54,546,434.81 : 75,275,678.88 = 29,768,214.81 : x - Step 2: Convert to fraction form
54,546,434.81/75,275,678.88 = 29,768,214.81/x - Step 3: Cross multiply
54,546,434.81x = 75,275,678.88 × 29,768,214.81 - Step 4: Simplify right side
54,546,434.81x = 2,240,822,578,868,420 - Step 5: Solve for x
x = 2,240,822,578,868,420/54,546,434.81 - Step 6: Final answer
x = 41,081,008.99
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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.