Finding the Fourth Proportional to 120,185,233.70, 165,802,963.70 and 70,603,239.98
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Solution
The fourth proportional to 120,185,233.70, 165,802,963.70 and 70,603,239.98 is: 97,401,536.58
Step by Step Solution
- Step 1: Write the proportion equation
120,185,233.70 : 165,802,963.70 = 70,603,239.98 : x - Step 2: Convert to fraction form
120,185,233.70/165,802,963.70 = 70,603,239.98/x - Step 3: Cross multiply
120,185,233.70x = 165,802,963.70 × 70,603,239.98 - Step 4: Simplify right side
120,185,233.70x = 11,706,226,436,097,344 - Step 5: Solve for x
x = 11,706,226,436,097,344/120,185,233.70 - Step 6: Final answer
x = 97,401,536.58
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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.