Finding the Fourth Proportional to 196,738,432.17, 295,209,781.98 and 80,239,257.66
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Solution
The fourth proportional to 196,738,432.17, 295,209,781.98 and 80,239,257.66 is: 120,400,541.46
Step by Step Solution
- Step 1: Write the proportion equation
196,738,432.17 : 295,209,781.98 = 80,239,257.66 : x - Step 2: Convert to fraction form
196,738,432.17/295,209,781.98 = 80,239,257.66/x - Step 3: Cross multiply
196,738,432.17x = 295,209,781.98 × 80,239,257.66 - Step 4: Simplify right side
196,738,432.17x = 23,687,413,760,045,644 - Step 5: Solve for x
x = 23,687,413,760,045,644/196,738,432.17 - Step 6: Final answer
x = 120,400,541.46
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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.