Finding the Fourth Proportional to 63,045,542.74, 86,969,766.52 and 51,297,928.66
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Solution
The fourth proportional to 63,045,542.74, 86,969,766.52 and 51,297,928.66 is: 70,764,223.52
Step by Step Solution
- Step 1: Write the proportion equation
63,045,542.74 : 86,969,766.52 = 51,297,928.66 : x - Step 2: Convert to fraction form
63,045,542.74/86,969,766.52 = 51,297,928.66/x - Step 3: Cross multiply
63,045,542.74x = 86,969,766.52 × 51,297,928.66 - Step 4: Simplify right side
63,045,542.74x = 4,461,368,878,519,816 - Step 5: Solve for x
x = 4,461,368,878,519,816/63,045,542.74 - Step 6: Final answer
x = 70,764,223.52
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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.