Finding the Fourth Proportional to 172,642,749.18, 238,244,213.44 and 94,324,621.02
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Solution
The fourth proportional to 172,642,749.18, 238,244,213.44 and 94,324,621.02 is: 130,166,457.90
Step by Step Solution
- Step 1: Write the proportion equation
172,642,749.18 : 238,244,213.44 = 94,324,621.02 : x - Step 2: Convert to fraction form
172,642,749.18/238,244,213.44 = 94,324,621.02/x - Step 3: Cross multiply
172,642,749.18x = 238,244,213.44 × 94,324,621.02 - Step 4: Simplify right side
172,642,749.18x = 22,472,295,142,935,988 - Step 5: Solve for x
x = 22,472,295,142,935,988/172,642,749.18 - Step 6: Final answer
x = 130,166,457.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.