Finding the Fourth Proportional to 113,764,276.70, 170,646,415.05 and 112,630,535.90
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Solution
The fourth proportional to 113,764,276.70, 170,646,415.05 and 112,630,535.90 is: 168,945,803.85
Step by Step Solution
- Step 1: Write the proportion equation
113,764,276.70 : 170,646,415.05 = 112,630,535.90 : x - Step 2: Convert to fraction form
113,764,276.70/170,646,415.05 = 112,630,535.90/x - Step 3: Cross multiply
113,764,276.70x = 170,646,415.05 × 112,630,535.90 - Step 4: Simplify right side
113,764,276.70x = 19,219,997,176,495,328 - Step 5: Solve for x
x = 19,219,997,176,495,328/113,764,276.70 - Step 6: Final answer
x = 168,945,803.85
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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.