Finding the Fourth Proportional to 356,833,194.15, 535,278,403.35 and 135,610,515.66
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Solution
The fourth proportional to 356,833,194.15, 535,278,403.35 and 135,610,515.66 is: 203,426,647.21
Step by Step Solution
- Step 1: Write the proportion equation
356,833,194.15 : 535,278,403.35 = 135,610,515.66 : x - Step 2: Convert to fraction form
356,833,194.15/535,278,403.35 = 135,610,515.66/x - Step 3: Cross multiply
356,833,194.15x = 535,278,403.35 × 135,610,515.66 - Step 4: Simplify right side
356,833,194.15x = 72,589,380,299,954,976 - Step 5: Solve for x
x = 72,589,380,299,954,976/356,833,194.15 - Step 6: Final answer
x = 203,426,647.21
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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.