Finding the Fourth Proportional to 68,137,202.36, 94,028,860.95 and 37,197,371.65
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Solution
The fourth proportional to 68,137,202.36, 94,028,860.95 and 37,197,371.65 is: 51,332,111.76
Step by Step Solution
- Step 1: Write the proportion equation
68,137,202.36 : 94,028,860.95 = 37,197,371.65 : x - Step 2: Convert to fraction form
68,137,202.36/94,028,860.95 = 37,197,371.65/x - Step 3: Cross multiply
68,137,202.36x = 94,028,860.95 × 37,197,371.65 - Step 4: Simplify right side
68,137,202.36x = 3,497,626,486,583,322 - Step 5: Solve for x
x = 3,497,626,486,583,322/68,137,202.36 - Step 6: Final answer
x = 51,332,111.76
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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.