Finding the Fourth Proportional to 90,028,216.20, 124,239,060.18 and 48,775,107.36
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Solution
The fourth proportional to 90,028,216.20, 124,239,060.18 and 48,775,107.36 is: 67,309,714.16
Step by Step Solution
- Step 1: Write the proportion equation
90,028,216.20 : 124,239,060.18 = 48,775,107.36 : x - Step 2: Convert to fraction form
90,028,216.20/124,239,060.18 = 48,775,107.36/x - Step 3: Cross multiply
90,028,216.20x = 124,239,060.18 × 48,775,107.36 - Step 4: Simplify right side
90,028,216.20x = 6,059,773,498,585,001 - Step 5: Solve for x
x = 6,059,773,498,585,001/90,028,216.20 - Step 6: Final answer
x = 67,309,714.16
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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.