Finding the Fourth Proportional to 115,479,825.84, 159,362,155.08 and 63,270,839.52
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Solution
The fourth proportional to 115,479,825.84, 159,362,155.08 and 63,270,839.52 is: 87,313,756.03
Step by Step Solution
- Step 1: Write the proportion equation
115,479,825.84 : 159,362,155.08 = 63,270,839.52 : x - Step 2: Convert to fraction form
115,479,825.84/159,362,155.08 = 63,270,839.52/x - Step 3: Cross multiply
115,479,825.84x = 159,362,155.08 × 63,270,839.52 - Step 4: Simplify right side
115,479,825.84x = 10,082,977,339,628,034 - Step 5: Solve for x
x = 10,082,977,339,628,034/115,479,825.84 - Step 6: Final answer
x = 87,313,756.03
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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.