Finding the Fourth Proportional to 85,409,961.84, 117,865,811.21 and 46,251,781.52
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Solution
The fourth proportional to 85,409,961.84, 117,865,811.21 and 46,251,781.52 is: 63,827,493.08
Step by Step Solution
- Step 1: Write the proportion equation
85,409,961.84 : 117,865,811.21 = 46,251,781.52 : x - Step 2: Convert to fraction form
85,409,961.84/117,865,811.21 = 46,251,781.52/x - Step 3: Cross multiply
85,409,961.84x = 117,865,811.21 × 46,251,781.52 - Step 4: Simplify right side
85,409,961.84x = 5,451,503,747,941,899 - Step 5: Solve for x
x = 5,451,503,747,941,899/85,409,961.84 - Step 6: Final answer
x = 63,827,493.08
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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.