Finding the Fourth Proportional to 87,529,259.20, 131,176,528.80 and 68,121,920.08
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Solution
The fourth proportional to 87,529,259.20, 131,176,528.80 and 68,121,920.08 is: 102,091,541.65
Step by Step Solution
- Step 1: Write the proportion equation
87,529,259.20 : 131,176,528.80 = 68,121,920.08 : x - Step 2: Convert to fraction form
87,529,259.20/131,176,528.80 = 68,121,920.08/x - Step 3: Cross multiply
87,529,259.20x = 131,176,528.80 × 68,121,920.08 - Step 4: Simplify right side
87,529,259.20x = 8,935,997,011,285,418 - Step 5: Solve for x
x = 8,935,997,011,285,418/87,529,259.20 - Step 6: Final answer
x = 102,091,541.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.