Finding the Fourth Proportional to 127,232,735.45, 175,595,392.36 and 77,024,617.98
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Solution
The fourth proportional to 127,232,735.45, 175,595,392.36 and 77,024,617.98 is: 106,302,579.82
Step by Step Solution
- Step 1: Write the proportion equation
127,232,735.45 : 175,595,392.36 = 77,024,617.98 : x - Step 2: Convert to fraction form
127,232,735.45/175,595,392.36 = 77,024,617.98/x - Step 3: Cross multiply
127,232,735.45x = 175,595,392.36 × 77,024,617.98 - Step 4: Simplify right side
127,232,735.45x = 13,525,168,016,117,546 - Step 5: Solve for x
x = 13,525,168,016,117,546/127,232,735.45 - Step 6: Final answer
x = 106,302,579.82
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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.