Finding the Fourth Proportional to 79,261,480.80, 118,780,246.80 and 58,630,197.60
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Solution
The fourth proportional to 79,261,480.80, 118,780,246.80 and 58,630,197.60 is: 87,862,468.26
Step by Step Solution
- Step 1: Write the proportion equation
79,261,480.80 : 118,780,246.80 = 58,630,197.60 : x - Step 2: Convert to fraction form
79,261,480.80/118,780,246.80 = 58,630,197.60/x - Step 3: Cross multiply
79,261,480.80x = 118,780,246.80 × 58,630,197.60 - Step 4: Simplify right side
79,261,480.80x = 6,964,109,340,860,768 - Step 5: Solve for x
x = 6,964,109,340,860,768/79,261,480.80 - Step 6: Final answer
x = 87,862,468.26
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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.