Finding the Fourth Proportional to 131,430,636.75, 197,104,027.86 and 45,148,237.95
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Solution
The fourth proportional to 131,430,636.75, 197,104,027.86 and 45,148,237.95 is: 67,707,954.33
Step by Step Solution
- Step 1: Write the proportion equation
131,430,636.75 : 197,104,027.86 = 45,148,237.95 : x - Step 2: Convert to fraction form
131,430,636.75/197,104,027.86 = 45,148,237.95/x - Step 3: Cross multiply
131,430,636.75x = 197,104,027.86 × 45,148,237.95 - Step 4: Simplify right side
131,430,636.75x = 8,898,899,550,726,711 - Step 5: Solve for x
x = 8,898,899,550,726,711/131,430,636.75 - Step 6: Final answer
x = 67,707,954.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.