Finding the Fourth Proportional to 185,720,894.12, 278,582,528.30 and 54,562,633.13
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Solution
The fourth proportional to 185,720,894.12, 278,582,528.30 and 54,562,633.13 is: 81,844,298.45
Step by Step Solution
- Step 1: Write the proportion equation
185,720,894.12 : 278,582,528.30 = 54,562,633.13 : x - Step 2: Convert to fraction form
185,720,894.12/278,582,528.30 = 54,562,633.13/x - Step 3: Cross multiply
185,720,894.12x = 278,582,528.30 × 54,562,633.13 - Step 4: Simplify right side
185,720,894.12x = 15,200,196,286,667,830 - Step 5: Solve for x
x = 15,200,196,286,667,830/185,720,894.12 - Step 6: Final answer
x = 81,844,298.45
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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.