Finding the Fourth Proportional to 85,635,029.12, 118,177,191.24 and 46,477,153.76
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Solution
The fourth proportional to 85,635,029.12, 118,177,191.24 and 46,477,153.76 is: 64,138,934.09
Step by Step Solution
- Step 1: Write the proportion equation
85,635,029.12 : 118,177,191.24 = 46,477,153.76 : x - Step 2: Convert to fraction form
85,635,029.12/118,177,191.24 = 46,477,153.76/x - Step 3: Cross multiply
85,635,029.12x = 118,177,191.24 × 46,477,153.76 - Step 4: Simplify right side
85,635,029.12x = 5,492,539,488,186,405 - Step 5: Solve for x
x = 5,492,539,488,186,405/85,635,029.12 - Step 6: Final answer
x = 64,138,934.09
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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.