Finding the Fourth Proportional to 85,393,225.92, 128,118,182.40 and 27,887,373.12
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Solution
The fourth proportional to 85,393,225.92, 128,118,182.40 and 27,887,373.12 is: 41,840,315.99
Step by Step Solution
- Step 1: Write the proportion equation
85,393,225.92 : 128,118,182.40 = 27,887,373.12 : x - Step 2: Convert to fraction form
85,393,225.92/128,118,182.40 = 27,887,373.12/x - Step 3: Cross multiply
85,393,225.92x = 128,118,182.40 × 27,887,373.12 - Step 4: Simplify right side
85,393,225.92x = 3,572,879,556,045,017.50 - Step 5: Solve for x
x = 3,572,879,556,045,017.50/85,393,225.92 - Step 6: Final answer
x = 41,840,315.99
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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.