Finding the Fourth Proportional to 75,467,881.14, 104,146,028.64 and 42,874,621.62
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Solution
The fourth proportional to 75,467,881.14, 104,146,028.64 and 42,874,621.62 is: 59,167,178.19
Step by Step Solution
- Step 1: Write the proportion equation
75,467,881.14 : 104,146,028.64 = 42,874,621.62 : x - Step 2: Convert to fraction form
75,467,881.14/104,146,028.64 = 42,874,621.62/x - Step 3: Cross multiply
75,467,881.14x = 104,146,028.64 × 42,874,621.62 - Step 4: Simplify right side
75,467,881.14x = 4,465,221,571,165,683 - Step 5: Solve for x
x = 4,465,221,571,165,683/75,467,881.14 - Step 6: Final answer
x = 59,167,178.19
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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.