Finding the Fourth Proportional to 112,158,348.74, 168,296,796.81 and 79,579,463.74
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Solution
The fourth proportional to 112,158,348.74, 168,296,796.81 and 79,579,463.74 is: 119,411,251.95
Step by Step Solution
- Step 1: Write the proportion equation
112,158,348.74 : 168,296,796.81 = 79,579,463.74 : x - Step 2: Convert to fraction form
112,158,348.74/168,296,796.81 = 79,579,463.74/x - Step 3: Cross multiply
112,158,348.74x = 168,296,796.81 × 79,579,463.74 - Step 4: Simplify right side
112,158,348.74x = 13,392,968,838,878,800 - Step 5: Solve for x
x = 13,392,968,838,878,800/112,158,348.74 - Step 6: Final answer
x = 119,411,251.95
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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.