Finding the Fourth Proportional to 91,493,739, 126,263,553.70 and 49,679,566.70
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Solution
The fourth proportional to 91,493,739, 126,263,553.70 and 49,679,566.70 is: 68,558,993.29
Step by Step Solution
- Step 1: Write the proportion equation
91,493,739 : 126,263,553.70 = 49,679,566.70 : x - Step 2: Convert to fraction form
91,493,739/126,263,553.70 = 49,679,566.70/x - Step 3: Cross multiply
91,493,739x = 126,263,553.70 × 49,679,566.70 - Step 4: Simplify right side
91,493,739x = 6,272,718,637,818,182 - Step 5: Solve for x
x = 6,272,718,637,818,182/91,493,739 - Step 6: Final answer
x = 68,558,993.29
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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.