Finding the Fourth Proportional to 108,257,830.24, 162,378,578.08 and 34,478,628.80
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Solution
The fourth proportional to 108,257,830.24, 162,378,578.08 and 34,478,628.80 is: 51,715,342.03
Step by Step Solution
- Step 1: Write the proportion equation
108,257,830.24 : 162,378,578.08 = 34,478,628.80 : x - Step 2: Convert to fraction form
108,257,830.24/162,378,578.08 = 34,478,628.80/x - Step 3: Cross multiply
108,257,830.24x = 162,378,578.08 × 34,478,628.80 - Step 4: Simplify right side
108,257,830.24x = 5,598,590,718,692,137 - Step 5: Solve for x
x = 5,598,590,718,692,137/108,257,830.24 - Step 6: Final answer
x = 51,715,342.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.