Finding the Fourth Proportional to 191,705,914.98, 264,566,018.39 and 105,776,034.99
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Solution
The fourth proportional to 191,705,914.98, 264,566,018.39 and 105,776,034.99 is: 145,977,469.82
Step by Step Solution
- Step 1: Write the proportion equation
191,705,914.98 : 264,566,018.39 = 105,776,034.99 : x - Step 2: Convert to fraction form
191,705,914.98/264,566,018.39 = 105,776,034.99/x - Step 3: Cross multiply
191,705,914.98x = 264,566,018.39 × 105,776,034.99 - Step 4: Simplify right side
191,705,914.98x = 27,984,744,417,856,740 - Step 5: Solve for x
x = 27,984,744,417,856,740/191,705,914.98 - Step 6: Final answer
x = 145,977,469.82
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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.