Finding the Fourth Proportional to 68,071,203.36, 93,938,860.14 and 37,131,510.24
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Solution
The fourth proportional to 68,071,203.36, 93,938,860.14 and 37,131,510.24 is: 51,241,811.15
Step by Step Solution
- Step 1: Write the proportion equation
68,071,203.36 : 93,938,860.14 = 37,131,510.24 : x - Step 2: Convert to fraction form
68,071,203.36/93,938,860.14 = 37,131,510.24/x - Step 3: Cross multiply
68,071,203.36x = 93,938,860.14 × 37,131,510.24 - Step 4: Simplify right side
68,071,203.36x = 3,488,091,747,222,338 - Step 5: Solve for x
x = 3,488,091,747,222,338/68,071,203.36 - Step 6: Final answer
x = 51,241,811.15
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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.