Finding the Fourth Proportional to 168,894,644.70, 253,043,368.65 and 149,784,347.10
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Solution
The fourth proportional to 168,894,644.70, 253,043,368.65 and 149,784,347.10 is: 224,411,708.43
Step by Step Solution
- Step 1: Write the proportion equation
168,894,644.70 : 253,043,368.65 = 149,784,347.10 : x - Step 2: Convert to fraction form
168,894,644.70/253,043,368.65 = 149,784,347.10/x - Step 3: Cross multiply
168,894,644.70x = 253,043,368.65 × 149,784,347.10 - Step 4: Simplify right side
168,894,644.70x = 37,901,935,761,224,856 - Step 5: Solve for x
x = 37,901,935,761,224,856/168,894,644.70 - Step 6: Final answer
x = 224,411,708.43
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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.