Finding the Fourth Proportional to 253,744,205.76, 350,239,983.42 and 153,256,681.44
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Solution
The fourth proportional to 253,744,205.76, 350,239,983.42 and 153,256,681.44 is: 211,538,298.60
Step by Step Solution
- Step 1: Write the proportion equation
253,744,205.76 : 350,239,983.42 = 153,256,681.44 : x - Step 2: Convert to fraction form
253,744,205.76/350,239,983.42 = 153,256,681.44/x - Step 3: Cross multiply
253,744,205.76x = 350,239,983.42 × 153,256,681.44 - Step 4: Simplify right side
253,744,205.76x = 53,676,617,566,549,824 - Step 5: Solve for x
x = 53,676,617,566,549,824/253,744,205.76 - Step 6: Final answer
x = 211,538,298.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.