Finding the Fourth Proportional to 114,480,481.60, 171,720,722.40 and 68,563,979.20
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Solution
The fourth proportional to 114,480,481.60, 171,720,722.40 and 68,563,979.20 is: 102,845,968.80
Step by Step Solution
- Step 1: Write the proportion equation
114,480,481.60 : 171,720,722.40 = 68,563,979.20 : x - Step 2: Convert to fraction form
114,480,481.60/171,720,722.40 = 68,563,979.20/x - Step 3: Cross multiply
114,480,481.60x = 171,720,722.40 × 68,563,979.20 - Step 4: Simplify right side
114,480,481.60x = 11,773,856,038,842,576 - Step 5: Solve for x
x = 11,773,856,038,842,576/114,480,481.60 - Step 6: Final answer
x = 102,845,968.80
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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.