Finding the Fourth Proportional to 86,102,759.94, 118,818,386.25 and 50,831,926.41
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Solution
The fourth proportional to 86,102,759.94, 118,818,386.25 and 50,831,926.41 is: 70,146,037.95
Step by Step Solution
- Step 1: Write the proportion equation
86,102,759.94 : 118,818,386.25 = 50,831,926.41 : x - Step 2: Convert to fraction form
86,102,759.94/118,818,386.25 = 50,831,926.41/x - Step 3: Cross multiply
86,102,759.94x = 118,818,386.25 × 50,831,926.41 - Step 4: Simplify right side
86,102,759.94x = 6,039,767,466,014,955 - Step 5: Solve for x
x = 6,039,767,466,014,955/86,102,759.94 - Step 6: Final answer
x = 70,146,037.95
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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.