Finding the Fourth Proportional to 121,864,417.05, 182,790,187.59 and 39,972,508.23
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Solution
The fourth proportional to 121,864,417.05, 182,790,187.59 and 39,972,508.23 is: 59,956,650.63
Step by Step Solution
- Step 1: Write the proportion equation
121,864,417.05 : 182,790,187.59 = 39,972,508.23 : x - Step 2: Convert to fraction form
121,864,417.05/182,790,187.59 = 39,972,508.23/x - Step 3: Cross multiply
121,864,417.05x = 182,790,187.59 × 39,972,508.23 - Step 4: Simplify right side
121,864,417.05x = 7,306,582,277,804,518 - Step 5: Solve for x
x = 7,306,582,277,804,518/121,864,417.05 - Step 6: Final answer
x = 59,956,650.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.