Finding the Fourth Proportional to 215,462,634.15, 323,239,394.33 and 69,884,890.29
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Solution
The fourth proportional to 215,462,634.15, 323,239,394.33 and 69,884,890.29 is: 104,842,074.82
Step by Step Solution
- Step 1: Write the proportion equation
215,462,634.15 : 323,239,394.33 = 69,884,890.29 : x - Step 2: Convert to fraction form
215,462,634.15/323,239,394.33 = 69,884,890.29/x - Step 3: Cross multiply
215,462,634.15x = 323,239,394.33 × 69,884,890.29 - Step 4: Simplify right side
215,462,634.15x = 22,589,549,610,158,100 - Step 5: Solve for x
x = 22,589,549,610,158,100/215,462,634.15 - Step 6: Final answer
x = 104,842,074.82
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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.