Finding the Fourth Proportional to 100,060,430.76, 149,895,170.12 and 68,930,589.05
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Solution
The fourth proportional to 100,060,430.76, 149,895,170.12 and 68,930,589.05 is: 103,261,222.17
Step by Step Solution
- Step 1: Write the proportion equation
100,060,430.76 : 149,895,170.12 = 68,930,589.05 : x - Step 2: Convert to fraction form
100,060,430.76/149,895,170.12 = 68,930,589.05/x - Step 3: Cross multiply
100,060,430.76x = 149,895,170.12 × 68,930,589.05 - Step 4: Simplify right side
100,060,430.76x = 10,332,362,371,027,432 - Step 5: Solve for x
x = 10,332,362,371,027,432/100,060,430.76 - Step 6: Final answer
x = 103,261,222.17
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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.