Finding the Fourth Proportional to 86,802,377.48, 130,130,338.98 and 71,450,424.80
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Solution
The fourth proportional to 86,802,377.48, 130,130,338.98 and 71,450,424.80 is: 107,115,361.00
Step by Step Solution
- Step 1: Write the proportion equation
86,802,377.48 : 130,130,338.98 = 71,450,424.80 : x - Step 2: Convert to fraction form
86,802,377.48/130,130,338.98 = 71,450,424.80/x - Step 3: Cross multiply
86,802,377.48x = 130,130,338.98 × 71,450,424.80 - Step 4: Simplify right side
86,802,377.48x = 9,297,867,999,488,998 - Step 5: Solve for x
x = 9,297,867,999,488,998/86,802,377.48 - Step 6: Final answer
x = 107,115,361.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.