Finding the Fourth Proportional to 218,580,220.44, 301,640,998.14 and 125,758,866.60
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Solution
The fourth proportional to 218,580,220.44, 301,640,998.14 and 125,758,866.60 is: 173,547,405.02
Step by Step Solution
- Step 1: Write the proportion equation
218,580,220.44 : 301,640,998.14 = 125,758,866.60 : x - Step 2: Convert to fraction form
218,580,220.44/301,640,998.14 = 125,758,866.60/x - Step 3: Cross multiply
218,580,220.44x = 301,640,998.14 × 125,758,866.60 - Step 4: Simplify right side
218,580,220.44x = 37,934,030,046,179,104 - Step 5: Solve for x
x = 37,934,030,046,179,104/218,580,220.44 - Step 6: Final answer
x = 173,547,405.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.