Finding the Fourth Proportional to 102,486,352.92, 141,417,213.66 and 61,224,483.48
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Solution
The fourth proportional to 102,486,352.92, 141,417,213.66 and 61,224,483.48 is: 84,481,451.58
Step by Step Solution
- Step 1: Write the proportion equation
102,486,352.92 : 141,417,213.66 = 61,224,483.48 : x - Step 2: Convert to fraction form
102,486,352.92/141,417,213.66 = 61,224,483.48/x - Step 3: Cross multiply
102,486,352.92x = 141,417,213.66 × 61,224,483.48 - Step 4: Simplify right side
102,486,352.92x = 8,658,195,861,514,300 - Step 5: Solve for x
x = 8,658,195,861,514,300/102,486,352.92 - Step 6: Final answer
x = 84,481,451.58
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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.