Finding the Fourth Proportional to 135,640,641.90, 203,473,404.45 and 44,764,430.70
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Solution
The fourth proportional to 135,640,641.90, 203,473,404.45 and 44,764,430.70 is: 67,150,752.05
Step by Step Solution
- Step 1: Write the proportion equation
135,640,641.90 : 203,473,404.45 = 44,764,430.70 : x - Step 2: Convert to fraction form
135,640,641.90/203,473,404.45 = 44,764,430.70/x - Step 3: Cross multiply
135,640,641.90x = 203,473,404.45 × 44,764,430.70 - Step 4: Simplify right side
135,640,641.90x = 9,108,371,112,795,096 - Step 5: Solve for x
x = 9,108,371,112,795,096/135,640,641.90 - Step 6: Final answer
x = 67,150,752.05
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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.