Finding the Fourth Proportional to 112,158,349.74, 168,296,798.31 and 79,579,464.74
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Solution
The fourth proportional to 112,158,349.74, 168,296,798.31 and 79,579,464.74 is: 119,411,253.45
Step by Step Solution
- Step 1: Write the proportion equation
112,158,349.74 : 168,296,798.31 = 79,579,464.74 : x - Step 2: Convert to fraction form
112,158,349.74/168,296,798.31 = 79,579,464.74/x - Step 3: Cross multiply
112,158,349.74x = 168,296,798.31 × 79,579,464.74 - Step 4: Simplify right side
112,158,349.74x = 13,392,969,126,965,536 - Step 5: Solve for x
x = 13,392,969,126,965,536/112,158,349.74 - Step 6: Final answer
x = 119,411,253.45
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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.