Finding the Fourth Proportional to 140,652,118.08, 210,638,028.96 and 121,605,272.64
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Solution
The fourth proportional to 140,652,118.08, 210,638,028.96 and 121,605,272.64 is: 182,113,823.02
Step by Step Solution
- Step 1: Write the proportion equation
140,652,118.08 : 210,638,028.96 = 121,605,272.64 : x - Step 2: Convert to fraction form
140,652,118.08/210,638,028.96 = 121,605,272.64/x - Step 3: Cross multiply
140,652,118.08x = 210,638,028.96 × 121,605,272.64 - Step 4: Simplify right side
140,652,118.08x = 25,614,694,940,033,016 - Step 5: Solve for x
x = 25,614,694,940,033,016/140,652,118.08 - Step 6: Final answer
x = 182,113,823.02
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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.