Finding the Fourth Proportional to 91,976,257.20, 137,908,815.86 and 36,652,603.12
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Solution
The fourth proportional to 91,976,257.20, 137,908,815.86 and 36,652,603.12 is: 54,956,760.02
Step by Step Solution
- Step 1: Write the proportion equation
91,976,257.20 : 137,908,815.86 = 36,652,603.12 : x - Step 2: Convert to fraction form
91,976,257.20/137,908,815.86 = 36,652,603.12/x - Step 3: Cross multiply
91,976,257.20x = 137,908,815.86 × 36,652,603.12 - Step 4: Simplify right side
91,976,257.20x = 5,054,717,094,465,742 - Step 5: Solve for x
x = 5,054,717,094,465,742/91,976,257.20 - Step 6: Final answer
x = 54,956,760.02
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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.