Finding the Fourth Proportional to 218,781,028.08, 301,905,607.32 and 119,642,212.08
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Solution
The fourth proportional to 218,781,028.08, 301,905,607.32 and 119,642,212.08 is: 165,099,574.75
Step by Step Solution
- Step 1: Write the proportion equation
218,781,028.08 : 301,905,607.32 = 119,642,212.08 : x - Step 2: Convert to fraction form
218,781,028.08/301,905,607.32 = 119,642,212.08/x - Step 3: Cross multiply
218,781,028.08x = 301,905,607.32 × 119,642,212.08 - Step 4: Simplify right side
218,781,028.08x = 36,120,654,699,120,640 - Step 5: Solve for x
x = 36,120,654,699,120,640/218,781,028.08 - Step 6: Final answer
x = 165,099,574.75
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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.