Finding the Fourth Proportional to 265,455,170.15, 398,184,014.63 and 81,222,352.43
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Solution
The fourth proportional to 265,455,170.15, 398,184,014.63 and 81,222,352.43 is: 121,833,913.99
Step by Step Solution
- Step 1: Write the proportion equation
265,455,170.15 : 398,184,014.63 = 81,222,352.43 : x - Step 2: Convert to fraction form
265,455,170.15/398,184,014.63 = 81,222,352.43/x - Step 3: Cross multiply
265,455,170.15x = 398,184,014.63 × 81,222,352.43 - Step 4: Simplify right side
265,455,170.15x = 32,341,442,366,482,272 - Step 5: Solve for x
x = 32,341,442,366,482,272/265,455,170.15 - Step 6: Final answer
x = 121,833,913.99
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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.