Finding the Fourth Proportional to 141,884,493.98, 195,800,515.08 and 76,694,397.98
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Solution
The fourth proportional to 141,884,493.98, 195,800,515.08 and 76,694,397.98 is: 105,838,222.40
Step by Step Solution
- Step 1: Write the proportion equation
141,884,493.98 : 195,800,515.08 = 76,694,397.98 : x - Step 2: Convert to fraction form
141,884,493.98/195,800,515.08 = 76,694,397.98/x - Step 3: Cross multiply
141,884,493.98x = 195,800,515.08 × 76,694,397.98 - Step 4: Simplify right side
141,884,493.98x = 15,016,802,628,032,616 - Step 5: Solve for x
x = 15,016,802,628,032,616/141,884,493.98 - Step 6: Final answer
x = 105,838,222.40
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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.