Finding the Fourth Proportional to 258,282,094.35, 387,424,541.20 and 76,530,846.99
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Solution
The fourth proportional to 258,282,094.35, 387,424,541.20 and 76,530,846.99 is: 114,796,685.22
Step by Step Solution
- Step 1: Write the proportion equation
258,282,094.35 : 387,424,541.20 = 76,530,846.99 : x - Step 2: Convert to fraction form
258,282,094.35/387,424,541.20 = 76,530,846.99/x - Step 3: Cross multiply
258,282,094.35x = 387,424,541.20 × 76,530,846.99 - Step 4: Simplify right side
258,282,094.35x = 29,649,928,282,748,148 - Step 5: Solve for x
x = 29,649,928,282,748,148/258,282,094.35 - Step 6: Final answer
x = 114,796,685.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.