Finding the Fourth Proportional to 189,444,360.74, 261,433,214.62 and 102,524,232.74
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Solution
The fourth proportional to 189,444,360.74, 261,433,214.62 and 102,524,232.74 is: 141,483,439.44
Step by Step Solution
- Step 1: Write the proportion equation
189,444,360.74 : 261,433,214.62 = 102,524,232.74 : x - Step 2: Convert to fraction form
189,444,360.74/261,433,214.62 = 102,524,232.74/x - Step 3: Cross multiply
189,444,360.74x = 261,433,214.62 × 102,524,232.74 - Step 4: Simplify right side
189,444,360.74x = 26,803,239,740,103,776 - Step 5: Solve for x
x = 26,803,239,740,103,776/189,444,360.74 - Step 6: Final answer
x = 141,483,439.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.