Finding the Fourth Proportional to 332,424,103.80, 498,636,155.70 and 90,087,007.80
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Solution
The fourth proportional to 332,424,103.80, 498,636,155.70 and 90,087,007.80 is: 135,130,511.70
Step by Step Solution
- Step 1: Write the proportion equation
332,424,103.80 : 498,636,155.70 = 90,087,007.80 : x - Step 2: Convert to fraction form
332,424,103.80/498,636,155.70 = 90,087,007.80/x - Step 3: Cross multiply
332,424,103.80x = 498,636,155.70 × 90,087,007.80 - Step 4: Simplify right side
332,424,103.80x = 44,920,639,247,907,912 - Step 5: Solve for x
x = 44,920,639,247,907,912/332,424,103.80 - Step 6: Final answer
x = 135,130,511.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.