Finding the Fourth Proportional to 131,154,182.84, 195,880,948.12 and 118,833,529.98
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Solution
The fourth proportional to 131,154,182.84, 195,880,948.12 and 118,833,529.98 is: 177,479,848.66
Step by Step Solution
- Step 1: Write the proportion equation
131,154,182.84 : 195,880,948.12 = 118,833,529.98 : x - Step 2: Convert to fraction form
131,154,182.84/195,880,948.12 = 118,833,529.98/x - Step 3: Cross multiply
131,154,182.84x = 195,880,948.12 × 118,833,529.98 - Step 4: Simplify right side
131,154,182.84x = 23,277,224,520,928,848 - Step 5: Solve for x
x = 23,277,224,520,928,848/131,154,182.84 - Step 6: Final answer
x = 177,479,848.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.