Finding the Fourth Proportional to 106,644,230.63, 147,127,372.26 and 61,982,781.92
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Solution
The fourth proportional to 106,644,230.63, 147,127,372.26 and 61,982,781.92 is: 85,512,022.31
Step by Step Solution
- Step 1: Write the proportion equation
106,644,230.63 : 147,127,372.26 = 61,982,781.92 : x - Step 2: Convert to fraction form
106,644,230.63/147,127,372.26 = 61,982,781.92/x - Step 3: Cross multiply
106,644,230.63x = 147,127,372.26 × 61,982,781.92 - Step 4: Simplify right side
106,644,230.63x = 9,119,363,828,518,600 - Step 5: Solve for x
x = 9,119,363,828,518,600/106,644,230.63 - Step 6: Final answer
x = 85,512,022.31
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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.