Finding the Fourth Proportional to 135,256,948,337.49, 186,658,233,749.82 and 79,578,544,820.87
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Solution
The fourth proportional to 135,256,948,337.49, 186,658,233,749.82 and 79,578,544,820.87 is: 109,820,536,417.70
Step by Step Solution
- Step 1: Write the proportion equation
135,256,948,337.49 : 186,658,233,749.82 = 79,578,544,820.87 : x - Step 2: Convert to fraction form
135,256,948,337.49/186,658,233,749.82 = 79,578,544,820.87/x - Step 3: Cross multiply
135,256,948,337.49x = 186,658,233,749.82 × 79,578,544,820.87 - Step 4: Simplify right side
135,256,948,337.49x = 14,853,990,620,644,480,385,024 - Step 5: Solve for x
x = 14,853,990,620,644,480,385,024/135,256,948,337.49 - Step 6: Final answer
x = 109,820,536,417.70
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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.