Finding the Fourth Proportional to 64,722,844.13, 89,317,521.47 and 34,953,489.68
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Solution
The fourth proportional to 64,722,844.13, 89,317,521.47 and 34,953,489.68 is: 48,235,813.90
Step by Step Solution
- Step 1: Write the proportion equation
64,722,844.13 : 89,317,521.47 = 34,953,489.68 : x - Step 2: Convert to fraction form
64,722,844.13/89,317,521.47 = 34,953,489.68/x - Step 3: Cross multiply
64,722,844.13x = 89,317,521.47 × 34,953,489.68 - Step 4: Simplify right side
64,722,844.13x = 3,121,959,064,770,056 - Step 5: Solve for x
x = 3,121,959,064,770,056/64,722,844.13 - Step 6: Final answer
x = 48,235,813.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.