Finding the Fourth Proportional to 68,197,909.40, 102,361,537.38 and 42,211,604.52
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Solution
The fourth proportional to 68,197,909.40, 102,361,537.38 and 42,211,604.52 is: 63,357,436.79
Step by Step Solution
- Step 1: Write the proportion equation
68,197,909.40 : 102,361,537.38 = 42,211,604.52 : x - Step 2: Convert to fraction form
68,197,909.40/102,361,537.38 = 42,211,604.52/x - Step 3: Cross multiply
68,197,909.40x = 102,361,537.38 × 42,211,604.52 - Step 4: Simplify right side
68,197,909.40x = 4,320,844,734,102,051 - Step 5: Solve for x
x = 4,320,844,734,102,051/68,197,909.40 - Step 6: Final answer
x = 63,357,436.79
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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.