Finding the Fourth Proportional to 279,086,394.56, 418,597,701.60 and 74,630,419.52
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Solution
The fourth proportional to 279,086,394.56, 418,597,701.60 and 74,630,419.52 is: 111,937,101.52
Step by Step Solution
- Step 1: Write the proportion equation
279,086,394.56 : 418,597,701.60 = 74,630,419.52 : x - Step 2: Convert to fraction form
279,086,394.56/418,597,701.60 = 74,630,419.52/x - Step 3: Cross multiply
279,086,394.56x = 418,597,701.60 × 74,630,419.52 - Step 4: Simplify right side
279,086,394.56x = 31,240,122,080,515,776 - Step 5: Solve for x
x = 31,240,122,080,515,776/279,086,394.56 - Step 6: Final answer
x = 111,937,101.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.