Finding the Fourth Proportional to 93,220,714.62, 128,652,243.30 and 51,412,958.28
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Solution
The fourth proportional to 93,220,714.62, 128,652,243.30 and 51,412,958.28 is: 70,954,105.47
Step by Step Solution
- Step 1: Write the proportion equation
93,220,714.62 : 128,652,243.30 = 51,412,958.28 : x - Step 2: Convert to fraction form
93,220,714.62/128,652,243.30 = 51,412,958.28/x - Step 3: Cross multiply
93,220,714.62x = 128,652,243.30 × 51,412,958.28 - Step 4: Simplify right side
93,220,714.62x = 6,614,392,417,411,310 - Step 5: Solve for x
x = 6,614,392,417,411,310/93,220,714.62 - Step 6: Final answer
x = 70,954,105.47
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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.