Finding the Fourth Proportional to 130,640,976.60, 195,961,228.86 and 38,589,359.75
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Solution
The fourth proportional to 130,640,976.60, 195,961,228.86 and 38,589,359.75 is: 57,883,969.90
Step by Step Solution
- Step 1: Write the proportion equation
130,640,976.60 : 195,961,228.86 = 38,589,359.75 : x - Step 2: Convert to fraction form
130,640,976.60/195,961,228.86 = 38,589,359.75/x - Step 3: Cross multiply
130,640,976.60x = 195,961,228.86 × 38,589,359.75 - Step 4: Simplify right side
130,640,976.60x = 7,562,018,357,430,382 - Step 5: Solve for x
x = 7,562,018,357,430,382/130,640,976.60 - Step 6: Final answer
x = 57,883,969.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.