Finding the Fourth Proportional to 86,577,101.91, 119,418,920.06 and 55,676,366.55
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Solution
The fourth proportional to 86,577,101.91, 119,418,920.06 and 55,676,366.55 is: 76,796,420.99
Step by Step Solution
- Step 1: Write the proportion equation
86,577,101.91 : 119,418,920.06 = 55,676,366.55 : x - Step 2: Convert to fraction form
86,577,101.91/119,418,920.06 = 55,676,366.55/x - Step 3: Cross multiply
86,577,101.91x = 119,418,920.06 × 55,676,366.55 - Step 4: Simplify right side
86,577,101.91x = 6,648,811,565,987,326 - Step 5: Solve for x
x = 6,648,811,565,987,326/86,577,101.91 - Step 6: Final answer
x = 76,796,420.99
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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.