Finding the Fourth Proportional to 230,943,909.82, 318,699,956.76 and 125,095,329.63
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Solution
The fourth proportional to 230,943,909.82, 318,699,956.76 and 125,095,329.63 is: 172,630,125.54
Step by Step Solution
- Step 1: Write the proportion equation
230,943,909.82 : 318,699,956.76 = 125,095,329.63 : x - Step 2: Convert to fraction form
230,943,909.82/318,699,956.76 = 125,095,329.63/x - Step 3: Cross multiply
230,943,909.82x = 318,699,956.76 × 125,095,329.63 - Step 4: Simplify right side
230,943,909.82x = 39,867,876,143,958,944 - Step 5: Solve for x
x = 39,867,876,143,958,944/230,943,909.82 - Step 6: Final answer
x = 172,630,125.54
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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.