Finding the Fourth Proportional to 71,933,707.28, 107,872,159.08 and 28,794,869.84
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Solution
The fourth proportional to 71,933,707.28, 107,872,159.08 and 28,794,869.84 is: 43,180,935.58
Step by Step Solution
- Step 1: Write the proportion equation
71,933,707.28 : 107,872,159.08 = 28,794,869.84 : x - Step 2: Convert to fraction form
71,933,707.28/107,872,159.08 = 28,794,869.84/x - Step 3: Cross multiply
71,933,707.28x = 107,872,159.08 × 28,794,869.84 - Step 4: Simplify right side
71,933,707.28x = 3,106,164,780,068,374 - Step 5: Solve for x
x = 3,106,164,780,068,374/71,933,707.28 - Step 6: Final answer
x = 43,180,935.58
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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.