Finding the Fourth Proportional to 202,276,536.96, 279,142,360.64 and 109,457,045.12
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Solution
The fourth proportional to 202,276,536.96, 279,142,360.64 and 109,457,045.12 is: 151,051,122.50
Step by Step Solution
- Step 1: Write the proportion equation
202,276,536.96 : 279,142,360.64 = 109,457,045.12 : x - Step 2: Convert to fraction form
202,276,536.96/279,142,360.64 = 109,457,045.12/x - Step 3: Cross multiply
202,276,536.96x = 279,142,360.64 × 109,457,045.12 - Step 4: Simplify right side
202,276,536.96x = 30,554,097,963,475,792 - Step 5: Solve for x
x = 30,554,097,963,475,792/202,276,536.96 - Step 6: Final answer
x = 151,051,122.50
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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.