Finding the Fourth Proportional to 350,498,905.64, 525,733,743.80 and 91,708,396.28
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Solution
The fourth proportional to 350,498,905.64, 525,733,743.80 and 91,708,396.28 is: 137,558,770.48
Step by Step Solution
- Step 1: Write the proportion equation
350,498,905.64 : 525,733,743.80 = 91,708,396.28 : x - Step 2: Convert to fraction form
350,498,905.64/525,733,743.80 = 91,708,396.28/x - Step 3: Cross multiply
350,498,905.64x = 525,733,743.80 × 91,708,396.28 - Step 4: Simplify right side
350,498,905.64x = 48,214,198,514,178,392 - Step 5: Solve for x
x = 48,214,198,514,178,392/350,498,905.64 - Step 6: Final answer
x = 137,558,770.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.