Finding the Fourth Proportional to 108,534,969.53, 149,779,203.94 and 58,975,343.06
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Solution
The fourth proportional to 108,534,969.53, 149,779,203.94 and 58,975,343.06 is: 81,386,487.45
Step by Step Solution
- Step 1: Write the proportion equation
108,534,969.53 : 149,779,203.94 = 58,975,343.06 : x - Step 2: Convert to fraction form
108,534,969.53/149,779,203.94 = 58,975,343.06/x - Step 3: Cross multiply
108,534,969.53x = 149,779,203.94 × 58,975,343.06 - Step 4: Simplify right side
108,534,969.53x = 8,833,279,934,940,027 - Step 5: Solve for x
x = 8,833,279,934,940,027/108,534,969.53 - Step 6: Final answer
x = 81,386,487.45
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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.