Finding the Fourth Proportional to 93,357,523.44, 128,713,623.36 and 76,550,340.96
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Solution
The fourth proportional to 93,357,523.44, 128,713,623.36 and 76,550,340.96 is: 105,541,271.78
Step by Step Solution
- Step 1: Write the proportion equation
93,357,523.44 : 128,713,623.36 = 76,550,340.96 : x - Step 2: Convert to fraction form
93,357,523.44/128,713,623.36 = 76,550,340.96/x - Step 3: Cross multiply
93,357,523.44x = 128,713,623.36 × 76,550,340.96 - Step 4: Simplify right side
93,357,523.44x = 9,853,071,754,405,020 - Step 5: Solve for x
x = 9,853,071,754,405,020/93,357,523.44 - Step 6: Final answer
x = 105,541,271.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.