Finding the Fourth Proportional to 98,820,777.18, 136,372,685.44 and 54,770,619.92
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Solution
The fourth proportional to 98,820,777.18, 136,372,685.44 and 54,770,619.92 is: 75,583,462.66
Step by Step Solution
- Step 1: Write the proportion equation
98,820,777.18 : 136,372,685.44 = 54,770,619.92 : x - Step 2: Convert to fraction form
98,820,777.18/136,372,685.44 = 54,770,619.92/x - Step 3: Cross multiply
98,820,777.18x = 136,372,685.44 × 54,770,619.92 - Step 4: Simplify right side
98,820,777.18x = 7,469,216,521,703,958 - Step 5: Solve for x
x = 7,469,216,521,703,958/98,820,777.18 - Step 6: Final answer
x = 75,583,462.66
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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.