Finding the Fourth Proportional to 83,662,389.37, 115,332,416.19 and 58,466,272.09
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Solution
The fourth proportional to 83,662,389.37, 115,332,416.19 and 58,466,272.09 is: 80,598,420.34
Step by Step Solution
- Step 1: Write the proportion equation
83,662,389.37 : 115,332,416.19 = 58,466,272.09 : x - Step 2: Convert to fraction form
83,662,389.37/115,332,416.19 = 58,466,272.09/x - Step 3: Cross multiply
83,662,389.37x = 115,332,416.19 × 58,466,272.09 - Step 4: Simplify right side
83,662,389.37x = 6,743,056,425,615,496 - Step 5: Solve for x
x = 6,743,056,425,615,496/83,662,389.37 - Step 6: Final answer
x = 80,598,420.34
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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.