Finding the Fourth Proportional to 163,716,128.64, 225,926,871.84 and 90,375,696
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Solution
The fourth proportional to 163,716,128.64, 225,926,871.84 and 90,375,696 is: 124,717,695.55
Step by Step Solution
- Step 1: Write the proportion equation
163,716,128.64 : 225,926,871.84 = 90,375,696 : x - Step 2: Convert to fraction form
163,716,128.64/225,926,871.84 = 90,375,696/x - Step 3: Cross multiply
163,716,128.64x = 225,926,871.84 × 90,375,696 - Step 4: Simplify right side
163,716,128.64x = 20,418,298,287,642,800 - Step 5: Solve for x
x = 20,418,298,287,642,800/163,716,128.64 - Step 6: Final answer
x = 124,717,695.55
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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.