Finding the Fourth Proportional to 158,829,698.19, 219,190,306.28 and 88,268,282.42
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Solution
The fourth proportional to 158,829,698.19, 219,190,306.28 and 88,268,282.42 is: 121,813,187.82
Step by Step Solution
- Step 1: Write the proportion equation
158,829,698.19 : 219,190,306.28 = 88,268,282.42 : x - Step 2: Convert to fraction form
158,829,698.19/219,190,306.28 = 88,268,282.42/x - Step 3: Cross multiply
158,829,698.19x = 219,190,306.28 × 88,268,282.42 - Step 4: Simplify right side
158,829,698.19x = 19,347,551,856,912,048 - Step 5: Solve for x
x = 19,347,551,856,912,048/158,829,698.19 - Step 6: Final answer
x = 121,813,187.82
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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.