Finding the Fourth Proportional to 194,344,831.52, 268,195,826.88 and 106,239,193.76
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Solution
The fourth proportional to 194,344,831.52, 268,195,826.88 and 106,239,193.76 is: 146,610,065.19
Step by Step Solution
- Step 1: Write the proportion equation
194,344,831.52 : 268,195,826.88 = 106,239,193.76 : x - Step 2: Convert to fraction form
194,344,831.52/268,195,826.88 = 106,239,193.76/x - Step 3: Cross multiply
194,344,831.52x = 268,195,826.88 × 106,239,193.76 - Step 4: Simplify right side
194,344,831.52x = 28,492,908,417,527,736 - Step 5: Solve for x
x = 28,492,908,417,527,736/194,344,831.52 - Step 6: Final answer
x = 146,610,065.19
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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.