Finding the Fourth Proportional to 253,744,209.76, 350,239,988.94 and 153,256,685.44
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Solution
The fourth proportional to 253,744,209.76, 350,239,988.94 and 153,256,685.44 is: 211,538,304.12
Step by Step Solution
- Step 1: Write the proportion equation
253,744,209.76 : 350,239,988.94 = 153,256,685.44 : x - Step 2: Convert to fraction form
253,744,209.76/350,239,988.94 = 153,256,685.44/x - Step 3: Cross multiply
253,744,209.76x = 350,239,988.94 × 153,256,685.44 - Step 4: Simplify right side
253,744,209.76x = 53,676,619,813,486,656 - Step 5: Solve for x
x = 53,676,619,813,486,656/253,744,209.76 - Step 6: Final answer
x = 211,538,304.12
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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.