Finding the Fourth Proportional to 193,889,518.11, 290,812,721.06 and 69,387,122.36
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Solution
The fourth proportional to 193,889,518.11, 290,812,721.06 and 69,387,122.36 is: 104,072,969.26
Step by Step Solution
- Step 1: Write the proportion equation
193,889,518.11 : 290,812,721.06 = 69,387,122.36 : x - Step 2: Convert to fraction form
193,889,518.11/290,812,721.06 = 69,387,122.36/x - Step 3: Cross multiply
193,889,518.11x = 290,812,721.06 × 69,387,122.36 - Step 4: Simplify right side
193,889,518.11x = 20,178,657,858,233,772 - Step 5: Solve for x
x = 20,178,657,858,233,772/193,889,518.11 - Step 6: Final answer
x = 104,072,969.26
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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.