Finding the Fourth Proportional to 63,920,828.76, 88,210,769.81 and 34,552,161.23
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Solution
The fourth proportional to 63,920,828.76, 88,210,769.81 and 34,552,161.23 is: 47,681,996.62
Step by Step Solution
- Step 1: Write the proportion equation
63,920,828.76 : 88,210,769.81 = 34,552,161.23 : x - Step 2: Convert to fraction form
63,920,828.76/88,210,769.81 = 34,552,161.23/x - Step 3: Cross multiply
63,920,828.76x = 88,210,769.81 × 34,552,161.23 - Step 4: Simplify right side
63,920,828.76x = 3,047,872,740,698,869 - Step 5: Solve for x
x = 3,047,872,740,698,869/63,920,828.76 - Step 6: Final answer
x = 47,681,996.62
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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.