Finding the Fourth Proportional to 235,219,922.80, 324,603,762.57 and 130,795,752.10
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Solution
The fourth proportional to 235,219,922.80, 324,603,762.57 and 130,795,752.10 is: 180,498,287.53
Step by Step Solution
- Step 1: Write the proportion equation
235,219,922.80 : 324,603,762.57 = 130,795,752.10 : x - Step 2: Convert to fraction form
235,219,922.80/324,603,762.57 = 130,795,752.10/x - Step 3: Cross multiply
235,219,922.80x = 324,603,762.57 × 130,795,752.10 - Step 4: Simplify right side
235,219,922.80x = 42,456,793,258,209,960 - Step 5: Solve for x
x = 42,456,793,258,209,960/235,219,922.80 - Step 6: Final answer
x = 180,498,287.53
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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.