Finding the Fourth Proportional to 68,995,415.40, 103,493,123.10 and 58,736,635.80
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Solution
The fourth proportional to 68,995,415.40, 103,493,123.10 and 58,736,635.80 is: 88,104,953.70
Step by Step Solution
- Step 1: Write the proportion equation
68,995,415.40 : 103,493,123.10 = 58,736,635.80 : x - Step 2: Convert to fraction form
68,995,415.40/103,493,123.10 = 58,736,635.80/x - Step 3: Cross multiply
68,995,415.40x = 103,493,123.10 × 58,736,635.80 - Step 4: Simplify right side
68,995,415.40x = 6,078,837,879,329,266 - Step 5: Solve for x
x = 6,078,837,879,329,266/68,995,415.40 - Step 6: Final answer
x = 88,104,953.70
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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.