Finding the Fourth Proportional to 83,146,568.20, 124,578,134.70 and 70,958,854.60
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Solution
The fourth proportional to 83,146,568.20, 124,578,134.70 and 70,958,854.60 is: 106,317,337.42
Step by Step Solution
- Step 1: Write the proportion equation
83,146,568.20 : 124,578,134.70 = 70,958,854.60 : x - Step 2: Convert to fraction form
83,146,568.20/124,578,134.70 = 70,958,854.60/x - Step 3: Cross multiply
83,146,568.20x = 124,578,134.70 × 70,958,854.60 - Step 4: Simplify right side
83,146,568.20x = 8,839,921,746,516,514 - Step 5: Solve for x
x = 8,839,921,746,516,514/83,146,568.20 - Step 6: Final answer
x = 106,317,337.42
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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.