Finding the Fourth Proportional to 85,224,553.20, 127,836,829.80 and 37,448,809.20
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Solution
The fourth proportional to 85,224,553.20, 127,836,829.80 and 37,448,809.20 is: 56,173,213.80
Step by Step Solution
- Step 1: Write the proportion equation
85,224,553.20 : 127,836,829.80 = 37,448,809.20 : x - Step 2: Convert to fraction form
85,224,553.20/127,836,829.80 = 37,448,809.20/x - Step 3: Cross multiply
85,224,553.20x = 127,836,829.80 × 37,448,809.20 - Step 4: Simplify right side
85,224,553.20x = 4,787,337,047,913,074 - Step 5: Solve for x
x = 4,787,337,047,913,074/85,224,553.20 - Step 6: Final answer
x = 56,173,213.80
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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.