Finding the Fourth Proportional to 114,986,896.24, 172,395,313.42 and 69,538,586.80
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Solution
The fourth proportional to 114,986,896.24, 172,395,313.42 and 69,538,586.80 is: 104,256,457.55
Step by Step Solution
- Step 1: Write the proportion equation
114,986,896.24 : 172,395,313.42 = 69,538,586.80 : x - Step 2: Convert to fraction form
114,986,896.24/172,395,313.42 = 69,538,586.80/x - Step 3: Cross multiply
114,986,896.24x = 172,395,313.42 × 69,538,586.80 - Step 4: Simplify right side
114,986,896.24x = 11,988,126,466,169,874 - Step 5: Solve for x
x = 11,988,126,466,169,874/114,986,896.24 - Step 6: Final answer
x = 104,256,457.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.