Finding the Fourth Proportional to 80,352,885.60, 110,883,880.80 and 43,683,472.80
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Solution
The fourth proportional to 80,352,885.60, 110,883,880.80 and 43,683,472.80 is: 60,281,506.44
Step by Step Solution
- Step 1: Write the proportion equation
80,352,885.60 : 110,883,880.80 = 43,683,472.80 : x - Step 2: Convert to fraction form
80,352,885.60/110,883,880.80 = 43,683,472.80/x - Step 3: Cross multiply
80,352,885.60x = 110,883,880.80 × 43,683,472.80 - Step 4: Simplify right side
80,352,885.60x = 4,843,792,990,885,242 - Step 5: Solve for x
x = 4,843,792,990,885,242/80,352,885.60 - Step 6: Final answer
x = 60,281,506.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.