Finding the Fourth Proportional to 79,831,117.61, 110,166,735.69 and 44,548,551.54
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Solution
The fourth proportional to 79,831,117.61, 110,166,735.69 and 44,548,551.54 is: 61,476,885.83
Step by Step Solution
- Step 1: Write the proportion equation
79,831,117.61 : 110,166,735.69 = 44,548,551.54 : x - Step 2: Convert to fraction form
79,831,117.61/110,166,735.69 = 44,548,551.54/x - Step 3: Cross multiply
79,831,117.61x = 110,166,735.69 × 44,548,551.54 - Step 4: Simplify right side
79,831,117.61x = 4,907,768,502,604,106 - Step 5: Solve for x
x = 4,907,768,502,604,106/79,831,117.61 - Step 6: Final answer
x = 61,476,885.83
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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.