Finding the Fourth Proportional to 87,543,330.99, 131,329,266.93 and 26,959,056.99
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Solution
The fourth proportional to 87,543,330.99, 131,329,266.93 and 26,959,056.99 is: 40,442,980.08
Step by Step Solution
- Step 1: Write the proportion equation
87,543,330.99 : 131,329,266.93 = 26,959,056.99 : x - Step 2: Convert to fraction form
87,543,330.99/131,329,266.93 = 26,959,056.99/x - Step 3: Cross multiply
87,543,330.99x = 131,329,266.93 × 26,959,056.99 - Step 4: Simplify right side
87,543,330.99x = 3,540,513,191,620,792.50 - Step 5: Solve for x
x = 3,540,513,191,620,792.50/87,543,330.99 - Step 6: Final answer
x = 40,442,980.08
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1.5x scale
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.