Finding the Fourth Proportional to 132,854,551.80, 199,281,827.70 and 61,190,935.80
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Solution
The fourth proportional to 132,854,551.80, 199,281,827.70 and 61,190,935.80 is: 91,786,403.70
Step by Step Solution
- Step 1: Write the proportion equation
132,854,551.80 : 199,281,827.70 = 61,190,935.80 : x - Step 2: Convert to fraction form
132,854,551.80/199,281,827.70 = 61,190,935.80/x - Step 3: Cross multiply
132,854,551.80x = 199,281,827.70 × 61,190,935.80 - Step 4: Simplify right side
132,854,551.80x = 12,194,241,524,897,360 - Step 5: Solve for x
x = 12,194,241,524,897,360/132,854,551.80 - Step 6: Final answer
x = 91,786,403.70
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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.