Finding the Fourth Proportional to 77,855,795.76, 107,436,662.64 and 43,046,395.68
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Solution
The fourth proportional to 77,855,795.76, 107,436,662.64 and 43,046,395.68 is: 59,401,628.94
Step by Step Solution
- Step 1: Write the proportion equation
77,855,795.76 : 107,436,662.64 = 43,046,395.68 : x - Step 2: Convert to fraction form
77,855,795.76/107,436,662.64 = 43,046,395.68/x - Step 3: Cross multiply
77,855,795.76x = 107,436,662.64 × 43,046,395.68 - Step 4: Simplify right side
77,855,795.76x = 4,624,761,090,540,113 - Step 5: Solve for x
x = 4,624,761,090,540,113/77,855,795.76 - Step 6: Final answer
x = 59,401,628.94
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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.