Finding the Fourth Proportional to 163,128,226.25, 225,121,824.44 and 100,440,489.28
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Solution
The fourth proportional to 163,128,226.25, 225,121,824.44 and 100,440,489.28 is: 138,610,875.09
Step by Step Solution
- Step 1: Write the proportion equation
163,128,226.25 : 225,121,824.44 = 100,440,489.28 : x - Step 2: Convert to fraction form
163,128,226.25/225,121,824.44 = 100,440,489.28/x - Step 3: Cross multiply
163,128,226.25x = 225,121,824.44 × 100,440,489.28 - Step 4: Simplify right side
163,128,226.25x = 22,611,346,193,250,528 - Step 5: Solve for x
x = 22,611,346,193,250,528/163,128,226.25 - Step 6: Final answer
x = 138,610,875.09
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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.