Finding the Fourth Proportional to 99,110,078.98, 136,775,786.97 and 67,813,766.98
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Solution
The fourth proportional to 99,110,078.98, 136,775,786.97 and 67,813,766.98 is: 93,585,651.85
Step by Step Solution
- Step 1: Write the proportion equation
99,110,078.98 : 136,775,786.97 = 67,813,766.98 : x - Step 2: Convert to fraction form
99,110,078.98/136,775,786.97 = 67,813,766.98/x - Step 3: Cross multiply
99,110,078.98x = 136,775,786.97 × 67,813,766.98 - Step 4: Simplify right side
99,110,078.98x = 9,275,281,346,089,700 - Step 5: Solve for x
x = 9,275,281,346,089,700/99,110,078.98 - Step 6: Final answer
x = 93,585,651.85
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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.