Finding the Fourth Proportional to 126,882,731.58, 175,098,169.44 and 71,878,588.08
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Solution
The fourth proportional to 126,882,731.58, 175,098,169.44 and 71,878,588.08 is: 99,192,451.47
Step by Step Solution
- Step 1: Write the proportion equation
126,882,731.58 : 175,098,169.44 = 71,878,588.08 : x - Step 2: Convert to fraction form
126,882,731.58/175,098,169.44 = 71,878,588.08/x - Step 3: Cross multiply
126,882,731.58x = 175,098,169.44 × 71,878,588.08 - Step 4: Simplify right side
126,882,731.58x = 12,585,809,194,739,804 - Step 5: Solve for x
x = 12,585,809,194,739,804/126,882,731.58 - Step 6: Final answer
x = 99,192,451.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.