Finding the Fourth Proportional to 53,331,585.62, 73,603,569.94 and 30,128,207.26
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Solution
The fourth proportional to 53,331,585.62, 73,603,569.94 and 30,128,207.26 is: 41,580,305.26
Step by Step Solution
- Step 1: Write the proportion equation
53,331,585.62 : 73,603,569.94 = 30,128,207.26 : x - Step 2: Convert to fraction form
53,331,585.62/73,603,569.94 = 30,128,207.26/x - Step 3: Cross multiply
53,331,585.62x = 73,603,569.94 × 30,128,207.26 - Step 4: Simplify right side
53,331,585.62x = 2,217,543,610,228,225.75 - Step 5: Solve for x
x = 2,217,543,610,228,225.75/53,331,585.62 - Step 6: Final answer
x = 41,580,305.26
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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.