Finding the Fourth Proportional to 260,610,919.56, 390,321,015.30 and 124,391,962.44
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Solution
The fourth proportional to 260,610,919.56, 390,321,015.30 and 124,391,962.44 is: 186,303,770.99
Step by Step Solution
- Step 1: Write the proportion equation
260,610,919.56 : 390,321,015.30 = 124,391,962.44 : x - Step 2: Convert to fraction form
260,610,919.56/390,321,015.30 = 124,391,962.44/x - Step 3: Cross multiply
260,610,919.56x = 390,321,015.30 × 124,391,962.44 - Step 4: Simplify right side
260,610,919.56x = 48,552,797,074,740,264 - Step 5: Solve for x
x = 48,552,797,074,740,264/260,610,919.56 - Step 6: Final answer
x = 186,303,770.99
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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.