Finding the Fourth Proportional to 168,494,976.90, 252,742,465.35 and 141,285,197.70
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Solution
The fourth proportional to 168,494,976.90, 252,742,465.35 and 141,285,197.70 is: 211,927,796.55
Step by Step Solution
- Step 1: Write the proportion equation
168,494,976.90 : 252,742,465.35 = 141,285,197.70 : x - Step 2: Convert to fraction form
168,494,976.90/252,742,465.35 = 141,285,197.70/x - Step 3: Cross multiply
168,494,976.90x = 252,742,465.35 × 141,285,197.70 - Step 4: Simplify right side
168,494,976.90x = 35,708,769,184,160,144 - Step 5: Solve for x
x = 35,708,769,184,160,144/168,494,976.90 - Step 6: Final answer
x = 211,927,796.55
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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.