Finding the Fourth Proportional to 160,294,573.30, 221,206,936.99 and 86,955,715.30
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Solution
The fourth proportional to 160,294,573.30, 221,206,936.99 and 86,955,715.30 is: 119,999,118.12
Step by Step Solution
- Step 1: Write the proportion equation
160,294,573.30 : 221,206,936.99 = 86,955,715.30 : x - Step 2: Convert to fraction form
160,294,573.30/221,206,936.99 = 86,955,715.30/x - Step 3: Cross multiply
160,294,573.30x = 221,206,936.99 × 86,955,715.30 - Step 4: Simplify right side
160,294,573.30x = 19,235,207,435,094,440 - Step 5: Solve for x
x = 19,235,207,435,094,440/160,294,573.30 - Step 6: Final answer
x = 119,999,118.12
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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.