Finding the Fourth Proportional to 345,009,635.44, 517,212,122.28 and 129,750,048.88
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Solution
The fourth proportional to 345,009,635.44, 517,212,122.28 and 129,750,048.88 is: 194,511,373.75
Step by Step Solution
- Step 1: Write the proportion equation
345,009,635.44 : 517,212,122.28 = 129,750,048.88 : x - Step 2: Convert to fraction form
345,009,635.44/517,212,122.28 = 129,750,048.88/x - Step 3: Cross multiply
345,009,635.44x = 517,212,122.28 × 129,750,048.88 - Step 4: Simplify right side
345,009,635.44x = 67,108,298,147,158,528 - Step 5: Solve for x
x = 67,108,298,147,158,528/345,009,635.44 - Step 6: Final answer
x = 194,511,373.75
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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.