Finding the Fourth Proportional to 76,806,456.10, 115,209,800.99 and 31,368,250.60
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Solution
The fourth proportional to 76,806,456.10, 115,209,800.99 and 31,368,250.60 is: 47,052,423.62
Step by Step Solution
- Step 1: Write the proportion equation
76,806,456.10 : 115,209,800.99 = 31,368,250.60 : x - Step 2: Convert to fraction form
76,806,456.10/115,209,800.99 = 31,368,250.60/x - Step 3: Cross multiply
76,806,456.10x = 115,209,800.99 × 31,368,250.60 - Step 4: Simplify right side
76,806,456.10x = 3,613,929,909,030,448 - Step 5: Solve for x
x = 3,613,929,909,030,448/76,806,456.10 - Step 6: Final answer
x = 47,052,423.62
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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.