Finding the Fourth Proportional to 116,291,529.21, 160,482,325.56 and 63,368,245.74
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Solution
The fourth proportional to 116,291,529.21, 160,482,325.56 and 63,368,245.74 is: 87,448,187.43
Step by Step Solution
- Step 1: Write the proportion equation
116,291,529.21 : 160,482,325.56 = 63,368,245.74 : x - Step 2: Convert to fraction form
116,291,529.21/160,482,325.56 = 63,368,245.74/x - Step 3: Cross multiply
116,291,529.21x = 160,482,325.56 × 63,368,245.74 - Step 4: Simplify right side
116,291,529.21x = 10,169,483,443,012,764 - Step 5: Solve for x
x = 10,169,483,443,012,764/116,291,529.21 - Step 6: Final answer
x = 87,448,187.43
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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.