Finding the Fourth Proportional to 126,177,215.40, 189,283,537.80 and 39,906,626.40
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Solution
The fourth proportional to 126,177,215.40, 189,283,537.80 and 39,906,626.40 is: 59,865,542.31
Step by Step Solution
- Step 1: Write the proportion equation
126,177,215.40 : 189,283,537.80 = 39,906,626.40 : x - Step 2: Convert to fraction form
126,177,215.40/189,283,537.80 = 39,906,626.40/x - Step 3: Cross multiply
126,177,215.40x = 189,283,537.80 × 39,906,626.40 - Step 4: Simplify right side
126,177,215.40x = 7,553,667,426,654,878 - Step 5: Solve for x
x = 7,553,667,426,654,878/126,177,215.40 - Step 6: Final answer
x = 59,865,542.31
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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.