Finding the Fourth Proportional to 124,017,195.76, 171,142,371.99 and 68,261,424.10
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Solution
The fourth proportional to 124,017,195.76, 171,142,371.99 and 68,261,424.10 is: 94,200,017.70
Step by Step Solution
- Step 1: Write the proportion equation
124,017,195.76 : 171,142,371.99 = 68,261,424.10 : x - Step 2: Convert to fraction form
124,017,195.76/171,142,371.99 = 68,261,424.10/x - Step 3: Cross multiply
124,017,195.76x = 171,142,371.99 × 68,261,424.10 - Step 4: Simplify right side
124,017,195.76x = 11,682,422,035,889,350 - Step 5: Solve for x
x = 11,682,422,035,889,350/124,017,195.76 - Step 6: Final answer
x = 94,200,017.70
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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.