Finding the Fourth Proportional to 46,781,142.70, 64,532,058.30 and 27,199,866.28
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Solution
The fourth proportional to 46,781,142.70, 64,532,058.30 and 27,199,866.28 is: 37,520,745.65
Step by Step Solution
- Step 1: Write the proportion equation
46,781,142.70 : 64,532,058.30 = 27,199,866.28 : x - Step 2: Convert to fraction form
46,781,142.70/64,532,058.30 = 27,199,866.28/x - Step 3: Cross multiply
46,781,142.70x = 64,532,058.30 × 27,199,866.28 - Step 4: Simplify right side
46,781,142.70x = 1,755,263,356,533,164 - Step 5: Solve for x
x = 1,755,263,356,533,164/46,781,142.70 - Step 6: Final answer
x = 37,520,745.65
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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.