Finding the Fourth Proportional to 74,822,763.76, 103,254,438.62 and 41,783,593.48
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Solution
The fourth proportional to 74,822,763.76, 103,254,438.62 and 41,783,593.48 is: 57,660,814.32
Step by Step Solution
- Step 1: Write the proportion equation
74,822,763.76 : 103,254,438.62 = 41,783,593.48 : x - Step 2: Convert to fraction form
74,822,763.76/103,254,438.62 = 41,783,593.48/x - Step 3: Cross multiply
74,822,763.76x = 103,254,438.62 × 41,783,593.48 - Step 4: Simplify right side
74,822,763.76x = 4,314,341,488,303,692 - Step 5: Solve for x
x = 4,314,341,488,303,692/74,822,763.76 - Step 6: Final answer
x = 57,660,814.32
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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.