Finding the Fourth Proportional to 126,423,860.12, 189,635,863.56 and 35,547,449.12
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Solution
The fourth proportional to 126,423,860.12, 189,635,863.56 and 35,547,449.12 is: 53,321,194.31
Step by Step Solution
- Step 1: Write the proportion equation
126,423,860.12 : 189,635,863.56 = 35,547,449.12 : x - Step 2: Convert to fraction form
126,423,860.12/189,635,863.56 = 35,547,449.12/x - Step 3: Cross multiply
126,423,860.12x = 189,635,863.56 × 35,547,449.12 - Step 4: Simplify right side
126,423,860.12x = 6,741,071,211,226,362 - Step 5: Solve for x
x = 6,741,071,211,226,362/126,423,860.12 - Step 6: Final answer
x = 53,321,194.31
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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.