Finding the Fourth Proportional to 137,498,951.64, 189,744,766.68 and 75,619,312.68
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Solution
The fourth proportional to 137,498,951.64, 189,744,766.68 and 75,619,312.68 is: 104,352,569.02
Step by Step Solution
- Step 1: Write the proportion equation
137,498,951.64 : 189,744,766.68 = 75,619,312.68 : x - Step 2: Convert to fraction form
137,498,951.64/189,744,766.68 = 75,619,312.68/x - Step 3: Cross multiply
137,498,951.64x = 189,744,766.68 × 75,619,312.68 - Step 4: Simplify right side
137,498,951.64x = 14,348,368,840,968,568 - Step 5: Solve for x
x = 14,348,368,840,968,568/137,498,951.64 - Step 6: Final answer
x = 104,352,569.02
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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.