Finding the Fourth Proportional to 141,813,836.55, 195,718,140.24 and 83,125,810.47
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Solution
The fourth proportional to 141,813,836.55, 195,718,140.24 and 83,125,810.47 is: 114,722,437.72
Step by Step Solution
- Step 1: Write the proportion equation
141,813,836.55 : 195,718,140.24 = 83,125,810.47 : x - Step 2: Convert to fraction form
141,813,836.55/195,718,140.24 = 83,125,810.47/x - Step 3: Cross multiply
141,813,836.55x = 195,718,140.24 × 83,125,810.47 - Step 4: Simplify right side
141,813,836.55x = 16,269,229,031,131,120 - Step 5: Solve for x
x = 16,269,229,031,131,120/141,813,836.55 - Step 6: Final answer
x = 114,722,437.72
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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.