Finding the Fourth Proportional to 118,876,742.01, 164,057,663.12 and 68,643,079.74
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Solution
The fourth proportional to 118,876,742.01, 164,057,663.12 and 68,643,079.74 is: 94,731,930.41
Step by Step Solution
- Step 1: Write the proportion equation
118,876,742.01 : 164,057,663.12 = 68,643,079.74 : x - Step 2: Convert to fraction form
118,876,742.01/164,057,663.12 = 68,643,079.74/x - Step 3: Cross multiply
118,876,742.01x = 164,057,663.12 × 68,643,079.74 - Step 4: Simplify right side
118,876,742.01x = 11,261,423,251,161,002 - Step 5: Solve for x
x = 11,261,423,251,161,002/118,876,742.01 - Step 6: Final answer
x = 94,731,930.41
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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.