Finding the Fourth Proportional to 115,993,511.14, 160,069,832.34 and 86,356,674.67
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Solution
The fourth proportional to 115,993,511.14, 160,069,832.34 and 86,356,674.67 is: 119,171,307.95
Step by Step Solution
- Step 1: Write the proportion equation
115,993,511.14 : 160,069,832.34 = 86,356,674.67 : x - Step 2: Convert to fraction form
115,993,511.14/160,069,832.34 = 86,356,674.67/x - Step 3: Cross multiply
115,993,511.14x = 160,069,832.34 × 86,356,674.67 - Step 4: Simplify right side
115,993,511.14x = 13,823,098,435,866,826 - Step 5: Solve for x
x = 13,823,098,435,866,826/115,993,511.14 - Step 6: Final answer
x = 119,171,307.95
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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.