Finding the Fourth Proportional to 160,294,540.05, 221,206,890.47 and 86,955,682.05
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Solution
The fourth proportional to 160,294,540.05, 221,206,890.47 and 86,955,682.05 is: 119,999,071.89
Step by Step Solution
- Step 1: Write the proportion equation
160,294,540.05 : 221,206,890.47 = 86,955,682.05 : x - Step 2: Convert to fraction form
160,294,540.05/221,206,890.47 = 86,955,682.05/x - Step 3: Cross multiply
160,294,540.05x = 221,206,890.47 × 86,955,682.05 - Step 4: Simplify right side
160,294,540.05x = 19,235,196,034,543,716 - Step 5: Solve for x
x = 19,235,196,034,543,716/160,294,540.05 - Step 6: Final answer
x = 119,999,071.89
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1.5x scale
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.