Finding the Fourth Proportional to 79,702,367.13, 119,450,903.45 and 38,682,423.27
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Solution
The fourth proportional to 79,702,367.13, 119,450,903.45 and 38,682,423.27 is: 57,973,816.51
Step by Step Solution
- Step 1: Write the proportion equation
79,702,367.13 : 119,450,903.45 = 38,682,423.27 : x - Step 2: Convert to fraction form
79,702,367.13/119,450,903.45 = 38,682,423.27/x - Step 3: Cross multiply
79,702,367.13x = 119,450,903.45 × 38,682,423.27 - Step 4: Simplify right side
79,702,367.13x = 4,620,650,407,043,391 - Step 5: Solve for x
x = 4,620,650,407,043,391/79,702,367.13 - Step 6: Final answer
x = 57,973,816.51
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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.