Finding the Fourth Proportional to 57,660,416.78, 79,571,323.75 and 32,547,811.98
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Solution
The fourth proportional to 57,660,416.78, 79,571,323.75 and 32,547,811.98 is: 44,915,951.51
Step by Step Solution
- Step 1: Write the proportion equation
57,660,416.78 : 79,571,323.75 = 32,547,811.98 : x - Step 2: Convert to fraction form
57,660,416.78/79,571,323.75 = 32,547,811.98/x - Step 3: Cross multiply
57,660,416.78x = 79,571,323.75 × 32,547,811.98 - Step 4: Simplify right side
57,660,416.78x = 2,589,872,484,414,708.50 - Step 5: Solve for x
x = 2,589,872,484,414,708.50/57,660,416.78 - Step 6: Final answer
x = 44,915,951.51
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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.