Finding the Fourth Proportional to 108,366,710.49, 149,549,387.37 and 63,704,491.92
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Solution
The fourth proportional to 108,366,710.49, 149,549,387.37 and 63,704,491.92 is: 87,914,154.60
Step by Step Solution
- Step 1: Write the proportion equation
108,366,710.49 : 149,549,387.37 = 63,704,491.92 : x - Step 2: Convert to fraction form
108,366,710.49/149,549,387.37 = 63,704,491.92/x - Step 3: Cross multiply
108,366,710.49x = 149,549,387.37 × 63,704,491.92 - Step 4: Simplify right side
108,366,710.49x = 9,526,967,739,353,116 - Step 5: Solve for x
x = 9,526,967,739,353,116/108,366,710.49 - Step 6: Final answer
x = 87,914,154.60
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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.