Finding the Fourth Proportional to 85,621,312.44, 118,157,491.98 and 48,952,651.32
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Solution
The fourth proportional to 85,621,312.44, 118,157,491.98 and 48,952,651.32 is: 67,554,705.03
Step by Step Solution
- Step 1: Write the proportion equation
85,621,312.44 : 118,157,491.98 = 48,952,651.32 : x - Step 2: Convert to fraction form
85,621,312.44/118,157,491.98 = 48,952,651.32/x - Step 3: Cross multiply
85,621,312.44x = 118,157,491.98 × 48,952,651.32 - Step 4: Simplify right side
85,621,312.44x = 5,784,122,505,742,637 - Step 5: Solve for x
x = 5,784,122,505,742,637/85,621,312.44 - Step 6: Final answer
x = 67,554,705.03
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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.