Finding the Fourth Proportional to 87,402,757.21, 120,615,816.77 and 48,244,541.35
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Solution
The fourth proportional to 87,402,757.21, 120,615,816.77 and 48,244,541.35 is: 66,577,473.59
Step by Step Solution
- Step 1: Write the proportion equation
87,402,757.21 : 120,615,816.77 = 48,244,541.35 : x - Step 2: Convert to fraction form
87,402,757.21/120,615,816.77 = 48,244,541.35/x - Step 3: Cross multiply
87,402,757.21x = 120,615,816.77 × 48,244,541.35 - Step 4: Simplify right side
87,402,757.21x = 5,819,054,759,624,288 - Step 5: Solve for x
x = 5,819,054,759,624,288/87,402,757.21 - Step 6: Final answer
x = 66,577,473.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.