Finding the Fourth Proportional to 125,914,414.55, 188,641,440.07 and 91,285,051.95
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Solution
The fourth proportional to 125,914,414.55, 188,641,440.07 and 91,285,051.95 is: 136,760,701.46
Step by Step Solution
- Step 1: Write the proportion equation
125,914,414.55 : 188,641,440.07 = 91,285,051.95 : x - Step 2: Convert to fraction form
125,914,414.55/188,641,440.07 = 91,285,051.95/x - Step 3: Cross multiply
125,914,414.55x = 188,641,440.07 × 91,285,051.95 - Step 4: Simplify right side
125,914,414.55x = 17,220,143,656,484,550 - Step 5: Solve for x
x = 17,220,143,656,484,550/125,914,414.55 - Step 6: Final answer
x = 136,760,701.46
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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.