Finding the Fourth Proportional to 141,839,778.84, 195,730,459.11 and 82,296,462.18
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Solution
The fourth proportional to 141,839,778.84, 195,730,459.11 and 82,296,462.18 is: 113,564,223.36
Step by Step Solution
- Step 1: Write the proportion equation
141,839,778.84 : 195,730,459.11 = 82,296,462.18 : x - Step 2: Convert to fraction form
141,839,778.84/195,730,459.11 = 82,296,462.18/x - Step 3: Cross multiply
141,839,778.84x = 195,730,459.11 × 82,296,462.18 - Step 4: Simplify right side
141,839,778.84x = 16,107,924,325,620,154 - Step 5: Solve for x
x = 16,107,924,325,620,154/141,839,778.84 - Step 6: Final answer
x = 113,564,223.36
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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.