Finding the Fourth Proportional to 330,221,856.70, 495,332,785.05 and 84,578,016.70
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Solution
The fourth proportional to 330,221,856.70, 495,332,785.05 and 84,578,016.70 is: 126,867,025.05
Step by Step Solution
- Step 1: Write the proportion equation
330,221,856.70 : 495,332,785.05 = 84,578,016.70 : x - Step 2: Convert to fraction form
330,221,856.70/495,332,785.05 = 84,578,016.70/x - Step 3: Cross multiply
330,221,856.70x = 495,332,785.05 × 84,578,016.70 - Step 4: Simplify right side
330,221,856.70x = 41,894,264,566,016,416 - Step 5: Solve for x
x = 41,894,264,566,016,416/330,221,856.70 - Step 6: Final answer
x = 126,867,025.05
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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.