Finding the Fourth Proportional to 60,426,073.80, 90,639,110.70 and 50,860,135.80
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Solution
The fourth proportional to 60,426,073.80, 90,639,110.70 and 50,860,135.80 is: 76,290,203.70
Step by Step Solution
- Step 1: Write the proportion equation
60,426,073.80 : 90,639,110.70 = 50,860,135.80 : x - Step 2: Convert to fraction form
60,426,073.80/90,639,110.70 = 50,860,135.80/x - Step 3: Cross multiply
60,426,073.80x = 90,639,110.70 × 50,860,135.80 - Step 4: Simplify right side
60,426,073.80x = 4,609,917,478,993,233 - Step 5: Solve for x
x = 4,609,917,478,993,233/60,426,073.80 - Step 6: Final answer
x = 76,290,203.70
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1.5x scale
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.