Finding the Fourth Proportional to 73,811,281.60, 110,716,922.40 and 49,418,139.70
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Solution
The fourth proportional to 73,811,281.60, 110,716,922.40 and 49,418,139.70 is: 74,127,209.55
Step by Step Solution
- Step 1: Write the proportion equation
73,811,281.60 : 110,716,922.40 = 49,418,139.70 : x - Step 2: Convert to fraction form
73,811,281.60/110,716,922.40 = 49,418,139.70/x - Step 3: Cross multiply
73,811,281.60x = 110,716,922.40 × 49,418,139.70 - Step 4: Simplify right side
73,811,281.60x = 5,471,424,338,317,260 - Step 5: Solve for x
x = 5,471,424,338,317,260/73,811,281.60 - Step 6: Final answer
x = 74,127,209.55
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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.