Finding the Fourth Proportional to 79,354,453.36, 109,509,089.52 and 44,547,211.12
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Solution
The fourth proportional to 79,354,453.36, 109,509,089.52 and 44,547,211.12 is: 61,475,119.84
Step by Step Solution
- Step 1: Write the proportion equation
79,354,453.36 : 109,509,089.52 = 44,547,211.12 : x - Step 2: Convert to fraction form
79,354,453.36/109,509,089.52 = 44,547,211.12/x - Step 3: Cross multiply
79,354,453.36x = 109,509,089.52 × 44,547,211.12 - Step 4: Simplify right side
79,354,453.36x = 4,878,324,530,406,419 - Step 5: Solve for x
x = 4,878,324,530,406,419/79,354,453.36 - Step 6: Final answer
x = 61,475,119.84
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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.