Finding the Fourth Proportional to 119,848,321.84, 165,343,626.28 and 69,603,987.36
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Solution
The fourth proportional to 119,848,321.84, 165,343,626.28 and 69,603,987.36 is: 96,026,172.89
Step by Step Solution
- Step 1: Write the proportion equation
119,848,321.84 : 165,343,626.28 = 69,603,987.36 : x - Step 2: Convert to fraction form
119,848,321.84/165,343,626.28 = 69,603,987.36/x - Step 3: Cross multiply
119,848,321.84x = 165,343,626.28 × 69,603,987.36 - Step 4: Simplify right side
119,848,321.84x = 11,508,575,673,649,684 - Step 5: Solve for x
x = 11,508,575,673,649,684/119,848,321.84 - Step 6: Final answer
x = 96,026,172.89
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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.