Finding the Fourth Proportional to 80,851,451.70, 121,277,177.55 and 29,722,890.90
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Solution
The fourth proportional to 80,851,451.70, 121,277,177.55 and 29,722,890.90 is: 44,584,336.35
Step by Step Solution
- Step 1: Write the proportion equation
80,851,451.70 : 121,277,177.55 = 29,722,890.90 : x - Step 2: Convert to fraction form
80,851,451.70/121,277,177.55 = 29,722,890.90/x - Step 3: Cross multiply
80,851,451.70x = 121,277,177.55 × 29,722,890.90 - Step 4: Simplify right side
80,851,451.70x = 3,604,708,316,978,579 - Step 5: Solve for x
x = 3,604,708,316,978,579/80,851,451.70 - Step 6: Final answer
x = 44,584,336.35
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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.