Finding the Fourth Proportional to 53,831,888,880.21, 74,292,241,422.92 and 30,658,082,361.84
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Solution
The fourth proportional to 53,831,888,880.21, 74,292,241,422.92 and 30,658,082,361.84 is: 42,310,565,424.48
Step by Step Solution
- Step 1: Write the proportion equation
53,831,888,880.21 : 74,292,241,422.92 = 30,658,082,361.84 : x - Step 2: Convert to fraction form
53,831,888,880.21/74,292,241,422.92 = 30,658,082,361.84/x - Step 3: Cross multiply
53,831,888,880.21x = 74,292,241,422.92 × 30,658,082,361.84 - Step 4: Simplify right side
53,831,888,880.21x = 2,277,657,656,389,429,100,544 - Step 5: Solve for x
x = 2,277,657,656,389,429,100,544/53,831,888,880.21 - Step 6: Final answer
x = 42,310,565,424.48
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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.