Finding the Fourth Proportional to 54,543,683.90, 75,271,880.99 and 29,765,467.55
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Solution
The fourth proportional to 54,543,683.90, 75,271,880.99 and 29,765,467.55 is: 41,077,216.84
Step by Step Solution
- Step 1: Write the proportion equation
54,543,683.90 : 75,271,880.99 = 29,765,467.55 : x - Step 2: Convert to fraction form
54,543,683.90/75,271,880.99 = 29,765,467.55/x - Step 3: Cross multiply
54,543,683.90x = 75,271,880.99 × 29,765,467.55 - Step 4: Simplify right side
54,543,683.90x = 2,240,502,730,510,120.25 - Step 5: Solve for x
x = 2,240,502,730,510,120.25/54,543,683.90 - Step 6: Final answer
x = 41,077,216.84
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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.