Finding the Fourth Proportional to 126,177,340.40, 189,283,725.30 and 39,906,751.40
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Solution
The fourth proportional to 126,177,340.40, 189,283,725.30 and 39,906,751.40 is: 59,865,729.82
Step by Step Solution
- Step 1: Write the proportion equation
126,177,340.40 : 189,283,725.30 = 39,906,751.40 : x - Step 2: Convert to fraction form
126,177,340.40/189,283,725.30 = 39,906,751.40/x - Step 3: Cross multiply
126,177,340.40x = 189,283,725.30 × 39,906,751.40 - Step 4: Simplify right side
126,177,340.40x = 7,553,698,569,612,991 - Step 5: Solve for x
x = 7,553,698,569,612,991/126,177,340.40 - Step 6: Final answer
x = 59,865,729.82
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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.