Finding the Fourth Proportional to 73,042,803.10, 100,799,103.61 and 40,005,129.99
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Solution
The fourth proportional to 73,042,803.10, 100,799,103.61 and 40,005,129.99 is: 55,207,098.74
Step by Step Solution
- Step 1: Write the proportion equation
73,042,803.10 : 100,799,103.61 = 40,005,129.99 : x - Step 2: Convert to fraction form
73,042,803.10/100,799,103.61 = 40,005,129.99/x - Step 3: Cross multiply
73,042,803.10x = 100,799,103.61 × 40,005,129.99 - Step 4: Simplify right side
73,042,803.10x = 4,032,481,242,793,528.50 - Step 5: Solve for x
x = 4,032,481,242,793,528.50/73,042,803.10 - Step 6: Final answer
x = 55,207,098.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.