Finding the Fourth Proportional to 68,441,201,376.21, 94,436,369,509.05 and 39,494,831,237.37
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Solution
The fourth proportional to 68,441,201,376.21, 94,436,369,509.05 and 39,494,831,237.37 is: 54,495,660,529.51
Step by Step Solution
- Step 1: Write the proportion equation
68,441,201,376.21 : 94,436,369,509.05 = 39,494,831,237.37 : x - Step 2: Convert to fraction form
68,441,201,376.21/94,436,369,509.05 = 39,494,831,237.37/x - Step 3: Cross multiply
68,441,201,376.21x = 94,436,369,509.05 × 39,494,831,237.37 - Step 4: Simplify right side
68,441,201,376.21x = 3,729,748,476,429,765,443,584 - Step 5: Solve for x
x = 3,729,748,476,429,765,443,584/68,441,201,376.21 - Step 6: Final answer
x = 54,495,660,529.51
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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.