Finding the Fourth Proportional to 53,753,246.58, 74,185,777.86 and 30,551,861.12
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Solution
The fourth proportional to 53,753,246.58, 74,185,777.86 and 30,551,861.12 is: 42,165,147.72
Step by Step Solution
- Step 1: Write the proportion equation
53,753,246.58 : 74,185,777.86 = 30,551,861.12 : x - Step 2: Convert to fraction form
53,753,246.58/74,185,777.86 = 30,551,861.12/x - Step 3: Cross multiply
53,753,246.58x = 74,185,777.86 × 30,551,861.12 - Step 4: Simplify right side
53,753,246.58x = 2,266,513,582,443,355 - Step 5: Solve for x
x = 2,266,513,582,443,355/53,753,246.58 - Step 6: Final answer
x = 42,165,147.72
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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.