Finding the Fourth Proportional to 141,974,524.08, 195,924,843.36 and 76,784,428.08
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Solution
The fourth proportional to 141,974,524.08, 195,924,843.36 and 76,784,428.08 is: 105,962,510.82
Step by Step Solution
- Step 1: Write the proportion equation
141,974,524.08 : 195,924,843.36 = 76,784,428.08 : x - Step 2: Convert to fraction form
141,974,524.08/195,924,843.36 = 76,784,428.08/x - Step 3: Cross multiply
141,974,524.08x = 195,924,843.36 × 76,784,428.08 - Step 4: Simplify right side
141,974,524.08x = 15,043,977,044,061,186 - Step 5: Solve for x
x = 15,043,977,044,061,186/141,974,524.08 - Step 6: Final answer
x = 105,962,510.82
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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.