Finding the Fourth Proportional to 62,212,796.70, 93,319,195.05 and 39,509,987.10
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Solution
The fourth proportional to 62,212,796.70, 93,319,195.05 and 39,509,987.10 is: 59,264,980.65
Step by Step Solution
- Step 1: Write the proportion equation
62,212,796.70 : 93,319,195.05 = 39,509,987.10 : x - Step 2: Convert to fraction form
62,212,796.70/93,319,195.05 = 39,509,987.10/x - Step 3: Cross multiply
62,212,796.70x = 93,319,195.05 × 39,509,987.10 - Step 4: Simplify right side
62,212,796.70x = 3,687,040,192,607,884 - Step 5: Solve for x
x = 3,687,040,192,607,884/62,212,796.70 - Step 6: Final answer
x = 59,264,980.65
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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.