Finding the Fourth Proportional to 239,035,600.34, 329,870,437.02 and 138,623,571.99
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Solution
The fourth proportional to 239,035,600.34, 329,870,437.02 and 138,623,571.99 is: 191,301,288.22
Step by Step Solution
- Step 1: Write the proportion equation
239,035,600.34 : 329,870,437.02 = 138,623,571.99 : x - Step 2: Convert to fraction form
239,035,600.34/329,870,437.02 = 138,623,571.99/x - Step 3: Cross multiply
239,035,600.34x = 329,870,437.02 × 138,623,571.99 - Step 4: Simplify right side
239,035,600.34x = 45,727,818,273,614,728 - Step 5: Solve for x
x = 45,727,818,273,614,728/239,035,600.34 - Step 6: Final answer
x = 191,301,288.22
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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.