Finding the Fourth Proportional to 43,772,197.62, 60,374,305.11 and 30,722,368.62
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Solution
The fourth proportional to 43,772,197.62, 60,374,305.11 and 30,722,368.62 is: 42,374,880.81
Step by Step Solution
- Step 1: Write the proportion equation
43,772,197.62 : 60,374,305.11 = 30,722,368.62 : x - Step 2: Convert to fraction form
43,772,197.62/60,374,305.11 = 30,722,368.62/x - Step 3: Cross multiply
43,772,197.62x = 60,374,305.11 × 30,722,368.62 - Step 4: Simplify right side
43,772,197.62x = 1,854,841,656,765,769.75 - Step 5: Solve for x
x = 1,854,841,656,765,769.75/43,772,197.62 - Step 6: Final answer
x = 42,374,880.81
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1.5x scale
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.