Finding the Fourth Proportional to 89,693,115.60, 134,539,673.40 and 48,772,158.60
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Solution
The fourth proportional to 89,693,115.60, 134,539,673.40 and 48,772,158.60 is: 73,158,237.90
Step by Step Solution
- Step 1: Write the proportion equation
89,693,115.60 : 134,539,673.40 = 48,772,158.60 : x - Step 2: Convert to fraction form
89,693,115.60/134,539,673.40 = 48,772,158.60/x - Step 3: Cross multiply
89,693,115.60x = 134,539,673.40 × 48,772,158.60 - Step 4: Simplify right side
89,693,115.60x = 6,561,790,289,057,002 - Step 5: Solve for x
x = 6,561,790,289,057,002/89,693,115.60 - Step 6: Final answer
x = 73,158,237.90
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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.