Finding the Fourth Proportional to 73,835,999.20, 110,753,998.80 and 43,602,911.20
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Solution
The fourth proportional to 73,835,999.20, 110,753,998.80 and 43,602,911.20 is: 65,404,366.80
Step by Step Solution
- Step 1: Write the proportion equation
73,835,999.20 : 110,753,998.80 = 43,602,911.20 : x - Step 2: Convert to fraction form
73,835,999.20/110,753,998.80 = 43,602,911.20/x - Step 3: Cross multiply
73,835,999.20x = 110,753,998.80 × 43,602,911.20 - Step 4: Simplify right side
73,835,999.20x = 4,829,196,774,721,307 - Step 5: Solve for x
x = 4,829,196,774,721,307/73,835,999.20 - Step 6: Final answer
x = 65,404,366.80
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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.