Finding the Fourth Proportional to 69,876,220.70, 104,814,331.05 and 44,430,038.30
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Solution
The fourth proportional to 69,876,220.70, 104,814,331.05 and 44,430,038.30 is: 66,645,057.45
Step by Step Solution
- Step 1: Write the proportion equation
69,876,220.70 : 104,814,331.05 = 44,430,038.30 : x - Step 2: Convert to fraction form
69,876,220.70/104,814,331.05 = 44,430,038.30/x - Step 3: Cross multiply
69,876,220.70x = 104,814,331.05 × 44,430,038.30 - Step 4: Simplify right side
69,876,220.70x = 4,656,904,742,940,379 - Step 5: Solve for x
x = 4,656,904,742,940,379/69,876,220.70 - Step 6: Final answer
x = 66,645,057.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.