Finding the Fourth Proportional to 73,404,406.08, 101,304,535.68 and 40,370,475.60
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Solution
The fourth proportional to 73,404,406.08, 101,304,535.68 and 40,370,475.60 is: 55,714,806.57
Step by Step Solution
- Step 1: Write the proportion equation
73,404,406.08 : 101,304,535.68 = 40,370,475.60 : x - Step 2: Convert to fraction form
73,404,406.08/101,304,535.68 = 40,370,475.60/x - Step 3: Cross multiply
73,404,406.08x = 101,304,535.68 × 40,370,475.60 - Step 4: Simplify right side
73,404,406.08x = 4,089,712,285,838,770 - Step 5: Solve for x
x = 4,089,712,285,838,770/73,404,406.08 - Step 6: Final answer
x = 55,714,806.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.