Finding the Fourth Proportional to 146,341,178.89, 201,893,220.71 and 84,449,558.41
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Solution
The fourth proportional to 146,341,178.89, 201,893,220.71 and 84,449,558.41 is: 116,507,147.64
Step by Step Solution
- Step 1: Write the proportion equation
146,341,178.89 : 201,893,220.71 = 84,449,558.41 : x - Step 2: Convert to fraction form
146,341,178.89/201,893,220.71 = 84,449,558.41/x - Step 3: Cross multiply
146,341,178.89x = 201,893,220.71 × 84,449,558.41 - Step 4: Simplify right side
146,341,178.89x = 17,049,793,334,509,920 - Step 5: Solve for x
x = 17,049,793,334,509,920/146,341,178.89 - Step 6: Final answer
x = 116,507,147.64
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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.