Finding the Fourth Proportional to 73,707,769.77, 101,719,798.70 and 40,670,162.07
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Solution
The fourth proportional to 73,707,769.77, 101,719,798.70 and 40,670,162.07 is: 56,126,521.15
Step by Step Solution
- Step 1: Write the proportion equation
73,707,769.77 : 101,719,798.70 = 40,670,162.07 : x - Step 2: Convert to fraction form
73,707,769.77/101,719,798.70 = 40,670,162.07/x - Step 3: Cross multiply
73,707,769.77x = 101,719,798.70 × 40,670,162.07 - Step 4: Simplify right side
73,707,769.77x = 4,136,960,698,653,424 - Step 5: Solve for x
x = 4,136,960,698,653,424/73,707,769.77 - Step 6: Final answer
x = 56,126,521.15
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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.