Finding the Fourth Proportional to 134,569,612.20, 201,948,896.70 and 57,947,629.80
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Solution
The fourth proportional to 134,569,612.20, 201,948,896.70 and 57,947,629.80 is: 86,962,128.47
Step by Step Solution
- Step 1: Write the proportion equation
134,569,612.20 : 201,948,896.70 = 57,947,629.80 : x - Step 2: Convert to fraction form
134,569,612.20/201,948,896.70 = 57,947,629.80/x - Step 3: Cross multiply
134,569,612.20x = 201,948,896.70 × 57,947,629.80 - Step 4: Simplify right side
134,569,612.20x = 11,702,459,904,490,040 - Step 5: Solve for x
x = 11,702,459,904,490,040/134,569,612.20 - Step 6: Final answer
x = 86,962,128.47
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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.