Finding the Fourth Proportional to 103,985,537.18, 143,508,120.63 and 57,580,108.70
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Solution
The fourth proportional to 103,985,537.18, 143,508,120.63 and 57,580,108.70 is: 79,465,023.78
Step by Step Solution
- Step 1: Write the proportion equation
103,985,537.18 : 143,508,120.63 = 57,580,108.70 : x - Step 2: Convert to fraction form
103,985,537.18/143,508,120.63 = 57,580,108.70/x - Step 3: Cross multiply
103,985,537.18x = 143,508,120.63 × 57,580,108.70 - Step 4: Simplify right side
103,985,537.18x = 8,263,213,185,208,113 - Step 5: Solve for x
x = 8,263,213,185,208,113/103,985,537.18 - Step 6: Final answer
x = 79,465,023.78
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.