Finding the Fourth Proportional to 104,301,689.70, 156,452,534.55 and 75,990,137.70
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Solution
The fourth proportional to 104,301,689.70, 156,452,534.55 and 75,990,137.70 is: 113,985,206.55
Step by Step Solution
- Step 1: Write the proportion equation
104,301,689.70 : 156,452,534.55 = 75,990,137.70 : x - Step 2: Convert to fraction form
104,301,689.70/156,452,534.55 = 75,990,137.70/x - Step 3: Cross multiply
104,301,689.70x = 156,452,534.55 × 75,990,137.70 - Step 4: Simplify right side
104,301,689.70x = 11,888,849,643,968,508 - Step 5: Solve for x
x = 11,888,849,643,968,508/104,301,689.70 - Step 6: Final answer
x = 113,985,206.55
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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.