Finding the Fourth Proportional to 71,140,440.09, 98,135,937.33 and 43,271,674.05
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Solution
The fourth proportional to 71,140,440.09, 98,135,937.33 and 43,271,674.05 is: 59,691,875.50
Step by Step Solution
- Step 1: Write the proportion equation
71,140,440.09 : 98,135,937.33 = 43,271,674.05 : x - Step 2: Convert to fraction form
71,140,440.09/98,135,937.33 = 43,271,674.05/x - Step 3: Cross multiply
71,140,440.09x = 98,135,937.33 × 43,271,674.05 - Step 4: Simplify right side
71,140,440.09x = 4,246,506,292,734,987 - Step 5: Solve for x
x = 4,246,506,292,734,987/71,140,440.09 - Step 6: Final answer
x = 59,691,875.50
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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.