Finding the Fourth Proportional to 86,928,121.36, 119,910,854.76 and 54,276,386.32
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Solution
The fourth proportional to 86,928,121.36, 119,910,854.76 and 54,276,386.32 is: 74,870,223.53
Step by Step Solution
- Step 1: Write the proportion equation
86,928,121.36 : 119,910,854.76 = 54,276,386.32 : x - Step 2: Convert to fraction form
86,928,121.36/119,910,854.76 = 54,276,386.32/x - Step 3: Cross multiply
86,928,121.36x = 119,910,854.76 × 54,276,386.32 - Step 4: Simplify right side
86,928,121.36x = 6,508,327,876,915,171 - Step 5: Solve for x
x = 6,508,327,876,915,171/86,928,121.36 - Step 6: Final answer
x = 74,870,223.53
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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.