Finding the Fourth Proportional to 87,657,135.02, 120,937,471.08 and 50,486,670.98
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Solution
The fourth proportional to 87,657,135.02, 120,937,471.08 and 50,486,670.98 is: 69,654,687.10
Step by Step Solution
- Step 1: Write the proportion equation
87,657,135.02 : 120,937,471.08 = 50,486,670.98 : x - Step 2: Convert to fraction form
87,657,135.02/120,937,471.08 = 50,486,670.98/x - Step 3: Cross multiply
87,657,135.02x = 120,937,471.08 × 50,486,670.98 - Step 4: Simplify right side
87,657,135.02x = 6,105,730,311,569,225 - Step 5: Solve for x
x = 6,105,730,311,569,225/87,657,135.02 - Step 6: Final answer
x = 69,654,687.10
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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.