Finding the Fourth Proportional to 133,076,638.81, 199,659,305.51 and 83,835,644.26
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Solution
The fourth proportional to 133,076,638.81, 199,659,305.51 and 83,835,644.26 is: 125,781,404.31
Step by Step Solution
- Step 1: Write the proportion equation
133,076,638.81 : 199,659,305.51 = 83,835,644.26 : x - Step 2: Convert to fraction form
133,076,638.81/199,659,305.51 = 83,835,644.26/x - Step 3: Cross multiply
133,076,638.81x = 199,659,305.51 × 83,835,644.26 - Step 4: Simplify right side
133,076,638.81x = 16,738,566,509,935,018 - Step 5: Solve for x
x = 16,738,566,509,935,018/133,076,638.81 - Step 6: Final answer
x = 125,781,404.31
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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.