Finding the Fourth Proportional to 117,452,455.32, 176,176,816.74 and 28,821,976.68
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Solution
The fourth proportional to 117,452,455.32, 176,176,816.74 and 28,821,976.68 is: 43,232,507.06
Step by Step Solution
- Step 1: Write the proportion equation
117,452,455.32 : 176,176,816.74 = 28,821,976.68 : x - Step 2: Convert to fraction form
117,452,455.32/176,176,816.74 = 28,821,976.68/x - Step 3: Cross multiply
117,452,455.32x = 176,176,816.74 × 28,821,976.68 - Step 4: Simplify right side
117,452,455.32x = 5,077,764,103,636,914 - Step 5: Solve for x
x = 5,077,764,103,636,914/117,452,455.32 - Step 6: Final answer
x = 43,232,507.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.