Finding the Fourth Proportional to 112,158,347.34, 168,296,794.70 and 79,579,462.33
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Solution
The fourth proportional to 112,158,347.34, 168,296,794.70 and 79,579,462.33 is: 119,411,249.82
Step by Step Solution
- Step 1: Write the proportion equation
112,158,347.34 : 168,296,794.70 = 79,579,462.33 : x - Step 2: Convert to fraction form
112,158,347.34/168,296,794.70 = 79,579,462.33/x - Step 3: Cross multiply
112,158,347.34x = 168,296,794.70 × 79,579,462.33 - Step 4: Simplify right side
112,158,347.34x = 13,392,968,433,269,754 - Step 5: Solve for x
x = 13,392,968,433,269,754/112,158,347.34 - Step 6: Final answer
x = 119,411,249.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.