Finding the Fourth Proportional to 126,070,924.74, 188,718,528.09 and 82,257,342.02
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Solution
The fourth proportional to 126,070,924.74, 188,718,528.09 and 82,257,342.02 is: 123,132,947.12
Step by Step Solution
- Step 1: Write the proportion equation
126,070,924.74 : 188,718,528.09 = 82,257,342.02 : x - Step 2: Convert to fraction form
126,070,924.74/188,718,528.09 = 82,257,342.02/x - Step 3: Cross multiply
126,070,924.74x = 188,718,528.09 × 82,257,342.02 - Step 4: Simplify right side
126,070,924.74x = 15,523,484,509,974,980 - Step 5: Solve for x
x = 15,523,484,509,974,980/126,070,924.74 - Step 6: Final answer
x = 123,132,947.12
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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.