Finding the Fourth Proportional to 76,620,494.40, 114,971,097.12 and 44,295,103.68
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Solution
The fourth proportional to 76,620,494.40, 114,971,097.12 and 44,295,103.68 is: 66,465,985.47
Step by Step Solution
- Step 1: Write the proportion equation
76,620,494.40 : 114,971,097.12 = 44,295,103.68 : x - Step 2: Convert to fraction form
76,620,494.40/114,971,097.12 = 44,295,103.68/x - Step 3: Cross multiply
76,620,494.40x = 114,971,097.12 × 44,295,103.68 - Step 4: Simplify right side
76,620,494.40x = 5,092,656,667,133,750 - Step 5: Solve for x
x = 5,092,656,667,133,750/76,620,494.40 - Step 6: Final answer
x = 66,465,985.47
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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.